MASTER LOBE PROFILE CATALOG TABLE OF CONTENTS

HOW TO ORDER SOLID ROLLER Cheater HR Lift Rule Competition...... 38 Selecting A Core...... 2 Mustang R Lift Rule Competition...... 39 A=Base for STD Journal Selecting Lobes...... 2 ESI ESX Stocker...... 40 Choosing Lobe Separation Angle...... 2 DSI Stocker...... 41 High Energy™ Street...... 66 Determining Part Number/Grind Number And CE Stocker...... 41 Xtreme Energy™ Street...... 66 Ordering...... 3 CZK...... 42 Xtreme Energy™ Duramax Street...... 67

CONTENTS Roller Cam Lobe Suffix Codes...... 3 DSK...... 42 Base Design...... 68 Core Listings Non-Standard Journal Size...... 3 FSHR Stocker...... 42 Hi-Tech™...... 69 Special Services...... 4 Xtreme Energy™ Harley...... 43 Hi-Tech™ .420" Exhaust...... 69 Core Listing...... 5 Hi-Tech™ .420"...... 70 SOLID FLAT TAPPET Hi-Tech™ .440" Intake...... 70 HYDRAULIC FLAT TAPPET High Energy™ & Magnum...... 44 High Torque .420" Exhaust...... 71 High Energy™...... 11 New Nostalgia Plus™...... 44 High Torque .460"...... 71 TABLE OF TABLE Magnum...... 11 Xtreme Energy™...... 44 High Ratio − High RPM Super Stock...... 71 Dual Energy™...... 12 Thumpr...... 45 NC...... 72 Thumpr™...... 12 High Torque...... 45 NSC...... 72 New Nostalgia Plus™...... 13 High RPM...... 45 RZ...... 73 Race...... 13 Hi-Tech™...... 46 RZ Low Lift...... 73 Xtreme Energy™...... 14 Tight Lash...... 46 AS Endurance...... 74 Xtreme Energy XFI™...... 15 High RPM II...... 47 SRI SRX High Ratio...... 74 Purple Plus...... 15 XTQ...... 47 Xtreme Mopar...... 16 XTX...... 48 B=Base for STD Journal Xtreme 4x4...... 16 JF .330" Lift...... 48 RT...... 75 MPM Stocker...... 16 HF & JF Lift Rule...... 49 CR...... 76 CRL Stocker...... 17 JF...... 49 CR Lift Rule...... 77 USI USX UPI UPX Stocker...... 17 Max Area (MA)...... 50 RX...... 77 Max Area (MA) Lift Rule...... 50 TC...... 78 HYDRAULIC ROLLER USI USX UPI UPX Stocker Flat...... 53 ZT...... 78 High Energy™ & Magnum MH...... 54 ZS...... 79 Low & High Lift...... 18 GRI...... 54 TD, TJ & TJS...... 79 Tri Power Xtreme™...... 19 MEM...... 55 TS...... 80 Thumpr™...... 20 MHF...... 55 High Ratio Restricted...... 81 QND...... 20 FL & SQ...... 56 RC...... 81 SLW...... 21 High RPM Dash 12...... 56 RP...... 82 Xtreme Energy™...... 21 Dash 13...... 57 SP...... 82 Xtreme 4x4...... 22 F3 Exhaust...... 57 High Torque .406"...... 83 Xtreme Energy XFI™...... 23 D3C...... 58 High Torque .440"...... 83 QXI...... 24 XX...... 58 HXL...... 84 QXX...... 25 High Rocker Ratio...... 59 QRI...... 85 QNI...... 26 High Rocker Ratio II...... 59 HXX...... 85 QNX...... 27 N...... 60 HXX HL...... 86 Xtreme Marine™...... 27 Oval +...... 60 HXX LL...... 86 Xtreme Marine™ − High Lift...... 28 FE .875"...... 61 IXL...... 86 HUC...... 28 TDLC...... 61 TK...... 87 Xtreme RPM for LS1...... 29 T1N − Very High RPM .875" Flat...... 61 TK Lift Rule...... 88 Xtreme RPR...... 30 TCT − High Ratio .875" Flat...... 62 SPL...... 88 Xtreme Energy™ XE-R for LS1...... 30 NRX...... 62 VK Lift Rule...... 88 Xtreme Energy™ LSL for LS1...... 31 Dir 2.3 Ratio Conversions − .875" Flat...... 62 CSZ...... 89 Xtreme Energy™ LSG for LS2...... 32 BB GG .875" Plate...... 63 Xtreme Energy™ LXL for LS1...... 33 TDP Flat Plate...... 63 C=Large Journal Multi-Use Xtreme Energy™ LSK for LS1...... 34 TDP 2 Flat Plate...... 63 DSZ...... 90 Xtreme Energy™ VVI...... 34 TDP Flat Plate − Lower Lobe Lift...... 63 TK .455"...... 90 LSN & LSD for DOD...... 35 HY Flat Plate...... 64 TK HL & SP-TK High Lift...... 91 EHI EHX...... 36 Chrysler Special...... 64 DIX...... 91 DHI DHX...... 37 MP...... 64 UB...... 92 DTL...... 38 MM...... 65 UBL...... 92 TABLE OF CONTENTS

OVERHEAD CAM (PIVOTING FOLLOWER) TABLE OF UBA...... 93 SPH & SPI Pro Stock Drag...... 117 UBLL...... 93 PNI Pro Stock Drag...... 117 Ford Modular Xtreme Energy™ GCI & GCX...... 93 DKN Pro Stock Drag...... 117 4.6 & 5.4L − SOHC or DOHC...... 134 ULG UVX High Ratio...... 94 FPI Pro Stock Drag...... 118 Modular Stocker...... 135 LDP XDL Endurance...... 94 FOS Pro Stock Drag...... 118 MHS Modular Stocker...... 136 HPX...... 95 FSL Pro Stock Drag...... 118 MH 2V & 4V Modular Race...... 136

DLB...... 95 FDZ Pro Stock Drag...... 118 MS 2V & 4V Modular Race...... 136 CONTENTS DNW...... 96 FGZ Pro Stock Drag...... 119 Ford Modular Xtreme Energy™ DSP...... 96 FPJ Pro Stock Drag...... 119 4.6 & 5.4L − 3V...... 137 DSS...... 97 DJP ...... 119 Ford Modular RSS Race − 3V...... 138 DSL...... 97 PVI Pro Stock Drag...... 119 Ford Coyote NSRI & NSRX Street − 4V...... 138 DTT...... 98 PSB PBM PBL Pro Mod Drag...... 120 Ford Coyote CY-R...... 138 DPC & DPD...... 98 PSA Pro Stock Drag...... 120 Ford Coyote CRI & CRX Street − 4V...... 139 HOI & HOX...... 99 PMZ Pro Mod Drag...... 120 Ford 2000-2300 OHC Street...... 139 XDP...... 99 PIC Pro Stock Drag...... 121 Ford 2000-2300 OHC Race...... 140 UL...... 100 Ford 2000-2300 OHC KZU...... 100 G= Large Journal Exhaust Race Roller Follower...... 140 DRX Drag Exhaust...... 121 Ford 2300 − FP Roller...... 141 D=Drag Base Intake XK Pro Stock Drag...... 121 GM Ecotech − Xtreme Energy™ CE Drag Intake...... 100 XKL Pro Stock Drag...... 122 Hydraulic Roller OHC...... 142 High RPM Intake...... 101 XK .635" Pro Stock Drag Exhaust...... 122 Mitsubishi 4G63 − Xtreme Energy™ Dash 31...... 101 XKH Exhaust...... 122 Hydraulic Roller OHC...... 143 Mountain Motor...... 101 XM Pro Exhaust...... 123 Nissan L16, 18, 20B...... 143 Rev Drag Intake...... 102 ZLX Pro Stock Drag Exhaust...... 123 Toyota 20R-22RE...... 143 RX Drag Intake...... 102 NX Pro Stock Drag Exhaust...... 123 SOH OHC Rollers for Ford 427 SOHC...... 144 RX Pro Drag Intake...... 103 NXX ...... 124 VM OHC Rollers for Ford 427 SOHC...... 144 VOX Pro Drag...... 124 E=Drag Base Exhaust TXS Pro...... 125 OVERHEAD CAMS (DIRECT ACTING) High RPM Exhaust...... 104 PRX PLX Pro Stock Drag...... 126 VW or Direct 1" Tappet...... 145 JX Drag Exhaust...... 104 PVX Pro Stock Drag...... 126 OHC − Multipurpose Bucket...... 145 XCX Drag Exhaust...... 105 PRZ Pro Stock Drag...... 126 Quad 4 − Bucket...... 145 XJX Drag Exhaust...... 106 PVX Pro Stock Drag...... 127 OHZ − Street/Strip Bucket...... 145 XJS Drag Exhaust...... 107 SPX Pro Stock Drag...... 127 OHRX − High RPM Bucket...... 146 Pro Mod Exhaust...... 107 XCM Pro Stock Drag...... 127 OHRVX − High Lift...... 146 XNR...... 127 XCOH Exhaust High Lift...... 146 F= Large Journal Intake SXZ Pro Stock Drag...... 128 OHRXA − Street Intake...... 146 VOI Pro Drag...... 107 XRX Pro Stock Drag...... 128 OHRXA − Street Exhaust...... 146 DR Pro Drag Intake...... 108 PVS Pro Stock Drag Exhaust...... 128 PCI Intake − Limited RPM RS Drag Intake ...... 108 ZZX Pro Stock Drag Exhaust...... 128 OHC 33mm Bucket...... 147 PQ Pro Stock Drag...... 108 PZN PZJ PYJ Pro Stock Drag...... 129 PCX Exhaust − Limited RPM TS Pro...... 109 DXP Pro Stock Drag...... 129 OHC 33mm Bucket...... 147 TS+ Pro...... 109 XCH Pro Stock Drag...... 129 PDI Intake − Limited RPM TSP Pro...... 109 TXJ Pro Stock Drag...... 130 OHC 33mm Bucket...... 147 DRZ Pro Stock Drag...... 110 PNX Pro Stock Drag...... 130 PDX Exhaust − Limited RPM DQS Pro Stock Drag...... 110 XMZ XJZ Pro Mod Drag...... 130 OHC 31.5 mm Bucket...... 147 DRS Drag...... 110 PXC Pro Stock Drag...... 131 OHV Intake 38-40mm Bucket...... 148 DRD Pro Stock Drag...... 111 XCO Exhaust 35-40mm Bucket...... 148 DRM Pro Stock Drag...... 111 H=Top Fuel & ALK XCO Intake 38-40mm Bucket...... 148 DRI Pro Stock Drag...... 112 UDR Fuel & ALC Intake...... 131 Thumpr™ Flathead Ford DZI Pro Stock Drag...... 113 FDR Fuel & ALC Intake...... 131 Direct Solid 1" Tappet (CCW Rotation)...... 148 DRP Pro Stock Drag...... 113 FCX Fuel & ALC Exhaust...... 132 FC Solids...... 149 DKL Pro Drag...... 113 EF Fuel & ALC Intake...... 132 HDZ Pro Stock Drag...... 113 FLI Fuel Intake...... 132 PRI PLI Pro Stock Drag...... 114 FLX Fuel Exhaust...... 132 PZI Pro Stock Drag...... 115 NFV Top Fuel Pro Drag (2012/2013)...... 133 PEZ PFZ PZZ Pro Stock...... 116 Chrysler Special Race...... 133 HOW TO ORDER

COMP Cams® leads the industry in camshaft lobe offerings. With thousands of active lobes in the COMP® library, the combinations are infinite for any given engine. That means that you can have a cam ground to your specific needs, and you have the broadest selection of lobes available anywhere. ORDER CHOOSING A CAM 1. Select a core. FOR YOUR SPECIFIC 2. Select the lobes. APPLICATION IS A 3. Select a lobe separation angle. HOW TO 4FOUR-STEP PROCESS: 4. Determine the part number and grind number, and order the cam. 1. SELECTING A CORE 2. SELECTING LOBES Within the parameter of core applications, we have fifteen cores that cover The lobes are listed on pages 8-61 and represent the most current library many engine applications. They are designated as follows: of lobes offered by COMP Cams®. They are arranged in groups, each of which is unique in its application. Along with each group is a description of -0 Steel Billet Round Lobe each type, which is intended to help clarify each family of lobes so that you -5 Flat Tappet (Either Hydraulic or Solid Lifter) may accurately select lobes for your application. -5RR Reverse Rotation Flat Tappet Some lobes specifically designated to be intake or exhaust lobes do not -7 Special Flat Tappet necessarily have to be run on the valve for which they were designed. If an -8 Street Roller (Either Hydraulic or Solid Roller) exhaust lobe has the desired spec for intake (or vise versa) they may be Special Material – Bronze Distributor Gear used in that manner. Not Required on Most Applications -9 Steel Billet Roller Keep in mind while viewing the listings that certain flat tappet lobes are -9L OHC Roller Left designed to be used only with correct diameter lifters. -9R OHC Roller Right -9W Welded Steel Billet Flat Tappet 3. CHOOSING LOBE SEPARATION ANGLE -10 Steel Billet Roller Lobe separation angles (the angle in cam degrees between the intake and -11 Steel Billet Roller exhaust lobe are also referred to as "lobe centers") are very engine combi- -12 Steel Billet Roller nation dependent. In general, a tighter separation (ex. 104°-106°) results in -14 4/7 Swap Steel Billet Roller a "peakier" torque curve more suited to stick-shift cars with multiple gear -16 Steel Flat Tappet ratios to change between. Wider lobe separation (ex. 110°-112°) results in a broader, flatter torque curve that is more suited to automatic transmission -47 4/7 Swap Cast Flat Tappet cars with fewer gears from which to choose. Therefore, engines have to be more powerful over a broader RPM range. Also, as lobes get larger at .050" Special Note: The -0 core is a round lobe core that is not duration (275° and up), it is necessary to begin widening separation angles heat-treated. These cores must be roughed and then to lessen the amount of overlap that accumulates from the larger lobes. heat-treated before finished lobe grinding takes place. One final note about lobe separation angles − the cam cores that are avail- The complete core list follows on pages 5-10. The list is separated into the able for each application are designed for nominal, standard lobe separation different cam core types. The part number in front of each core is used in angles. Straying from this nominal angle too far in one direction or another ordering a custom ground cam for a particular engine type. It consists of can result in the heat-treated surface of the core being ground through to a two-digit prefix designating the engine type, followed by a dash (-) and the soft material underneath. Soft lobes will fail in an engine if allowed to run three consecutive zeros. The zeros indicate a custom ground cam. Next are for very long. Whether or not the heat-treated surface is ground through also a dash and number from the core designations previously listed. is obviously dependent on the lobe being ground on the core.

Example: The bottom line is that not all grinds can go on every core that is available. Engine Prefix Part # Core Type More popular engines, like the Small Block Chevy, have a variety of cores 12- 000 -9 available with varying lobe separation angles that can accommodate al- most any grind. Less popular applications, like the Flathead Ford V8, only The number 12- indicates Small Block Chevy (found on have one core available. Therefore, they are somewhat limited in terms of the core listing pages 5-10). what grind will fit on the single existing core. The 000 indicates a custom grind. The -9 indicates steel billet roller core. HOW TO ORDER HOW TO 4. DETERMINING A PART NUMBER/GRIND NUMBER AND ORDERING With the part number determined in the core selection process, the grind For example, if lobe 5201 is selected as the intake and 5203 is selected as number is the final step prior to ordering the cam. This process is simple the exhaust, with a 106° lobe separation angle and this configuration is to

and is accomplished by picking up the "lobe number" that appears in the be ground on a Small Block Chevy core, the full number for ordering that ORDER left column of the lobe selection chart. cam would be:

The intake lobe will be first and the exhaust lobe will be second, followed Part #: Grind #: by the lobe separation angle. 12-000-5 CS 5201/5203-H106

ROLLER CAM LOBE SUFFIX CODES CORE LISTINGS When it comes to ordering a roller cam, there are two things that need to NON-STANDARD JOURNAL SIZE be considered: journal diameter and roller lifter wheel diameter. Journal size and wheel diameter are very important in making sure the lobe is CHEVROLET SMALL BLOCK performing to the specifications you require. 1.868" Stock Chevy Bearing Size 1.875" Stock Block with Roller Bearings For example, if you were selecting lobes for a custom grind Big Block Chev- 1.948" Stock Size Rocket Block or Big Block rolet cam then you would need to make sure the lobes were designed for a Big Block Chevrolet journal diameter (1.948"). If Small Block Chevrolet lobes 1.968" or 50mm Rocket Block with Roller Bearing were used instead, the specifications of the cam would be inaccurate. The 2.165" or 55mm Large Roller Bearing journal diameter of a Small Block Chevrolet is 1.868". The lobes on the big block cam would "grow" approximately 2° if ground using small block lobe CHEVROLET BIG BLOCK designs. The same principle applies to various roller lifter wheel diameters. 1.948" Stock Chevy Bearing Size 1.968" Stock Block with Roller Bearings COMP Cams® has done the math for you, so all you need to do is make Pro Stock Roller Bearing sure you order the lobes with the correct suffixes to signify the proper 2.124" (Same Size as Big Block Ford) journal diameter and roller lifter wheel diameter. 2.165" or 55mm Large Roller Bearing "Jesel Core" MASTER SUFFIX CODES FOR VARIOUS 2.362" or 60mm Large Roller Bearing ROLLER CAM JOURNAL DIAMETERS: FORD SMALL BLOCK, 351 WINDSOR & SVO BLOCK T 1.750" (Very Small-V6 Buick, etc.) Journal #1 – 2.080" Stock Ford Bearing Size N 0.900" Base Circle Diameter (Any Journal Size) Journal #2 – 2.065" Stock Ford Bearing Size S 1.868" (Small Block Chevrolet) Journal #3 – 2.050" Stock Ford Bearing Size B 1.948" or 1.968" (Big Block Chevrolet or 50mm) Journal #4 – 2.035" Stock Ford Bearing Size F 2.036", 2.051" or 2.081" (Small Block Ford and Cleveland) Journal #5 – 2.020" Stock Ford Bearing Size R 2.1653" or 2.1234" (55mm, LS1 or Big Block Ford) Journal #1, 2, 3 & 4 Roller Bearing – "Large Roller Bearing" or – 2.165" "Roush Roller Bearing" M 2.3622" (60mm) Roller Bearing – "Large Roller Bearing" or Journal #5 – 1.968" MASTER SUFFIX CODES FOR "Roush Roller Bearing" Roller Bearing – "Ford Motorsports" or "SVO VARIOUS ROLLER LIFTER WHEEL DIAMETERS: All Journals – 2.051" Design Roller Bearing" E 0.812" (from 0.792" to 0.832") All Journals – 2.081" Roller Bearing – New Design Ford SVO G 0.850" (from 0.830" to 0.870") H 0.950" (from 0.930" to 0.970") CHRYSLER SMALL BLOCK U 2.000" (1.000" Radius Sliding Tappet) Journal #1 – 1.998" Stock Chrysler Bearing Size No Suffix Standard (from 0.750" to 0.790") Journal #2 – 1.982" Stock Chrysler Bearing Size EXAMPLES: Journal #3 – 1.967" Stock Chrysler Bearing Size Journal #4 – 1.951" Stock Chrysler Bearing Size If you wanted to order a cam using lobe #4314 on the intake and lobe #4074 on the exhaust for a Big Block Chevy cam with standard journals, Journal #5 – 1.561" Stock Chrysler Bearing Size Journal #1, 2, 3, & 4 standard .750" lifter wheel diameter and a 110° lobe separation, your Joey Arrington Style Roller Bearing grind number would be: CB 4314B/4074B R110 – 1.969" Journal #5 – 1.575" Joey Arrington Style Roller Bearing However, if you wanted to order a cam with the same specs for a Big Block All Journals – 1.968" Mopar Performance Roller Bearing Chevy but with 55mm journals and a .812" lifter wheel diameter, your grind 2.362" or 60mm Roller Bearing number would be: CB 4314RE/4074RE R110 SPECIAL SERVICES

A partial listing of the most common high end treatments and special processes you can order for your COMP Cams® camshaft. Additional services are available; contact us for any special needs.

CAMSHAFT SURFACE PREPARATIONS SPECIAL OPERATIONS NITRIDING PART #1-111-1 REPLACEMENT OF THE CAMSHAFT DOWEL PIN SERVICES This is the most effective process for extending the life of a high perfor- PART #1-120-1 mance flat tappet camshaft. Nitriding increases the hardness of the cam- This is a process which repairs camshafts when the current dowel pin has shaft surface metal by physically injecting nitrogen "needles" into the sur- either been sheared off or damaged in some manner. The old dowel pin (or face of the lobes and journals to increase their resistance to wear. remaining part) is removed by machining and a new dowel pin is inserted.

CAMSHAFT MICROPOLISHING PART #1-114-1 SPECIAL INSTALLATION OF DUAL DOWEL PINS This procedure removes microscopic imperfections in the surface of the PART #1-121-1 metal. Micropolishing can further increase the durability of the camshaft For certain applications, dual dowel pins can be installed to further ensure and can be performed to only the camshaft lobes or all wear surfaces. that the camshaft and timing gear connection are secure. This is most com- monly done with early model Ford V8s and classic Chrysler Hemi engines. XTREME SURFACE FINISH ENHANCEMENT The timing gear can also be machined to adapt to this new configuration. PART #1-137-1 Our highest-quality finishing process involving considerably more polish- DRILLING & TAPPING CAMSHAFT NOSE ing than any other procedure. This is most commonly used in steel-on- PART #1-136-1 steel contact valve train situations, such as high end circle track flat tap- A process performed on Viper camshafts, the nose of the camshaft is drilled pet camshafts where billet materials have repeated contact in extremely and then tapped to convert from a single timing gear bolt-up to a three-bolt high RPM environments. aftermarket timing chain set. This allows for a wider selection of timing sets.

PRECISION CAMSHAFT MEASUREMENT MACHINING A REAR CAMSHAFT JOURNAL GROOVE PART #1-119-1 BASIC CAMSHAFT PROFILING PART #1-126-1 A process commonly performed on 1965-66 Big Block 396c.i. Chevrolet Performed on two lobes of any camshaft, the component is measured to engines, which features oiling systems that require a groove be cut into determine its lift, duration and lobe centerline specifications. the rear journal of the camshaft. This was a two-year only condition, not required in all 1967 and newer Big Block Chevrolet engines. ADCOLE CAMSHAFT PROFILING PART #1-125-1 Our highest precision camshaft measuring device, the Adcole, checks all MACHINING OF THE REAR PUMP DRIVE 16 camshaft lobes to determine that the cam meets all specifications PART #1-116-1 requested by the customer. The Adcole measures camshaft specifications Allows sprint car-style engines to run the fuel pump from the rear of the to 0.00001 of an inch. camshaft rather than traditional placements.

SIDE CUTTING OF CAMSHAFT LOBES PART #1-127-1 A process often requested that helps to keep the lifters from making contact with adjacent lobes when the engine’s lifter bores have been enlarged.

SLEEVING OF THE CAMSHAFT JOURNAL PART #1-132-1 Most popular with Ford Windsor engine roller bearing camshaft applica- tions, a sleeve is placed around the standard rear journal to increase the size of the journal, making it compatible with rear roller bearing usage.

FUEL PUMP LOBE REGRINDING PART #9-999-1 A refinishing process used to clean up a fuel pump lobe which may have been damaged or is showing excessive wear. CAM CORES

CORE # CORE DESCRIPTION ENGINE CAM FLAT TAPPET CAM CORES (HYDRAULIC OR SOLID) 10-000-5 AMC 290-401 V8 (1966-91) 68-000-5 AMC 199-258 L6 (1964-95) 114-000-5 AMC 2.5L CORES 63-000-5 BUICK 198-225 V6 Odd Fire (1962-67) 69-000-5 BUICK 3.0L-4.1L V6 (1978-87) 75-000-5 BUICK Buick V6 90-000-5 BUICK 215 Aluminum V8 91-000-5 BUICK 364-401-425 V8 92-000-5 BUICK 350 V8 (1968-80) 96-000-5 BUICK 400-430-455 V8 (1967-76) 94-000-5 CADILLAC 368-425-472-500 V8 11-000-5 CHEVROLET 396-454 V8 (1967-96) 11-000-5RR CHEVROLET 396-454 V8 Reverse Rotation (Marine Applications) 12-000-5A CHEVROLET 262-400 V8 (1957-98) 12-000-5RR CHEVROLET 262-400 V8 Reverse Rotation (Marine Applications) 13-000-5 CHEVROLET Corvair (1964-69) 15-000-5 CHEVROLET 200-229 V6 (1978-84) 16-000-5 CHEVROLET 2.8L, 3.1L and 3.4L (1980-95) 18-000-5 CHEVROLET 4.3L V6 (1983-97) 48-000-5 CHEVROLET 348-409 V8 (1958-65) 60-000-5 CHEVROLET 235 L6 Blue Flame (1952-62) 61-000-5 CHEVROLET 195-250 L6 (1962-85) 62-000-5 CHEVROLET 292 L6 (1963-90) 77-000-5 CHEVROLET Chevette 1400cc (1976-77)/1600cc (1976-87) 89-000-5 CHEVROLET Vega L4 140c.i. (1971-77) 148-000-5 CHEVROLET 1994-01 2.2L Chevy 4 Cyl. 20-000-5A CHRYSLER 273-360 V8 (1968-99) 21-000-5 CHRYSLER 383-440 V8 Single-Bolt (1958-78) 23-000-5 CHRYSLER 383-440 V8 Three-Bolt (1958-78) 24-000-5 CHRYSLER 426 Hemi V8 (1966-71) 26-000-5 CHRYSLER 392 Hemi V8 64-000-5 CHRYSLER 225 L6 (1960-85) 163-000-5 CHRYSLER 1999-2001 Chrysler/Jeep 4.0 6 Cyl. 31-000-5 FORD 289-302 V8 (1962-99) 32-000-5 FORD 351C, 351M-400M V8 (1970-82) 33-000-5 FORD 352-428 V8 FE (1963-95) 34-000-5 FORD 429-460 V8 (1968-99) 35-000-5 FORD 302 HO (1985-95), 351W V8 (1969-95) 35-000-5RR FORD 351W Reverse Rotation (Marine Applications) 36-000-5 FORD 2600, 2800 V6 37-000-5 FORD 272-292-312V8 Y-Block (1955-62) 38-000-5 FORD 2800 V6 (1983-85) 41-000-7 FORD Flathead V8 (1949-53) 44-000-5 FORD 3.8L (1984-87) Only 65-000-5 FORD 144-250 (1960-83) 66-000-5 FORD 240-300 L6 (1965-95) 104-000-5 FORD V8 "FE" (1958-62) 81-000-5 HOLDEN 6 Cyl. Flat Tappet 186 82-000-5 HOLDEN 252-308 V8 (1970-88) 83-000-5 INTERNATIONAL 304-392 V8 (1970-78) 42-000-5 OLDSMOBILE 260-455 V8 91967-84) 103-000-5 OLDSMOBILE V8 45° Bank Angle (1964-68)

A. Different journal sizes available Continued on page 6 CAM CORES .Different sizesavailable journal A. RACE ROLLERCAMCORES−STEELBILLET STREET ROLLERCAMCORES(HYDRAULICORSOLIDROLLER)(SpecialMaterial−Works W/MostStdDist.Gears) SPECIAL FLAT TAPPET CAM CORES FLAT TAPPET CAMCORES (HYDRAULICORSOLID) 04-000-10A 112-000-11 111-000-10 03-000-9A 12-000-9A 11-000-9A 35-000-7A 20-000-7A 12-000-7A 94-000-10 10-000-13 149-000-8 98-000-10 97-000-10 148-000-8 28-000-9 19-000-9 17-000-9 15-000-9 14-000-9 01-000-9 07-000-9 08-000-9 02-000-9 35-000-8 32-000-8 31-000-8 93-000-9 10-000-9 56-000-8 18-000-8 12-000-8 11-000-8 09-000-8 08-000-8 07-000-8 01-000-8 69-000-8 41-000-7 39-000-7 32-000-7 21-000-7 73-000-5 52-000-5 51-000-5 14-000-5 CORE # CAM CORES CORE DESCRIPTION VOLKSWAGEN CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHEVROLET CHRYSLER CHRYSLER CHRYSLER CHRYSLER CHRYSLER CHRYSLER CHRYSLER CADILAAC PONTIAC PONTIAC PONTIAC BUICK BUICK FORD FORD FORD FORD FORD FORD FORD AMC AMC continued 200-229 V6 OddFire W/ Splayed Valve Head 262-400 V8 W/ Splayed Valve orBuickHead Standard ChevroletBlock W/ SB2Heads 302 HO(1985-95), 351W V8 (1969-99) 262-400 V8 W/ RollerCam(1987-98) 4.3L V6 (1992-99) W/ BalanceShaft 383-440 V8 Single-Bolt(1958-78) 4.3L V6 W/ RollerCam(1987-98) 351C, 351M-400M V8 (1970-82) 351C, 351M-400M V8 (1970-82) 454-502 Generation 454-502 Generation VI BigBlock 454-502 Generation 454-502 Generation VI BigBlock 262-400 V8 SpecialProCore "R" Block W/ 48°LifterBore 151 L4IronDuke(1978-89) 2003 & Up ViperThree-Bolt & 2003 1994-01 2.2LChevy4CYL SB2 Block W/ SB2Heads 3.0L-4.1L V6 (1978-87) 3.0L-4.1L V6 262-400 V8 (1957-98) 262-400 V8 (1967-96) 396-454 V8 (1987-98) 262-400 V8 289-302 V8 (1962-99) 289-302 V8 390-401 V8 (1966-79) 390-401 V8 (1966-79) 390-401 V8 262-400 V8 (1957-98) 262-400 V8 (1967-96) 396-454 V8 265-455 V8 (1955-81) 265-455 V8 220-229 V6 EvenFire LT1 Engine(1992-98) LT1 Engine(1992-98) 153 L4(1962-1972) 5.7 &6.1LHemi V8 4.3L V6 (1985-99) 4.3L V6 1200, 16004Cyl. 151 L4(1977-78) Stage IIEvenFireStage V6 OddFire Race SVO V6 OddFire 238 CID3.9L V6 Flathead V8 Flathead V10 Truck Gaerte L4 V10 Viper ENGINE SVO V8 V8 Continued onpage 7 CAM CORES Continued on page 8 CAM CORES CAM 8.1L V8 R99/R03 ENGINE LY6 Gen IV LY6 6.5L Diesel Sterling V12 392 Hemi V8 LY6 Gen IV AFM Gen IV LY6 SVO V6 Odd Fire SVO SVO V6 Even Fire SVO DRCE3 Pro Stock 151 L4 Iron Duke 2.0L Zetec Intake Gen 1V Viper 8.4L Gen 1V 2.3 Quad 4 Intake Chevy Gen IV, LS2 Chevy Gen IV, 4.0L V6 (1990-97) 2014 GM LT1 AFM 2014 GM LT1 2.0L Zetec Exhaust 2.3 Quad 4 Exhaust 2014 GM Gen V LT1 2014 GM Gen Duramax 6.6L Diesel Toyota 2JZ-GTE DOHC Toyota 2JZ-GTE DOHC Toyota 273-360 V8 (1968-99) 348-409 V8 (1958-65) 289-302 V8 (1962-95) 252-308 V8 (1970-88) 260-455 V8 (1965-90) 265-455 V8 (1955-81) 429-460 V8 (1968-99) Chevy Gen IV, LS2 AFM LS2 Chevy Gen IV, 426 Hemi V8 (1966-71) 426 Hemi 9 Bearing Hemi Pro Stock 352-428 V8 FE (1963-76) 352-428 Holden V8 (1986-Present) Gen IV LS2 W/ Cam Phaser Gen IV LS2 LS1 Engine (1997-Present) 3800/3.8L V6 (1996-Present) R07-2 GM Race NASCAR Core Ford Duratech 2.3L DOHC Intake Ford 351C, 351M-400M V8 (1970-82) 351M-400M 351C, Gaerte L4 W/ Splayed Valve Head Valve W/ Splayed Gaerte L4 383-440 V8 Three-Bolt (1958-78) Gen IV LS2 W/ Cam Phaser & AFM & W/ Cam Phaser Gen IV LS2 Ford Duratech 2.3L DOHC Exhaust Ford 1457, 1788 SOHC 4 Cyl. (1974-89) 1788 SOHC 4 Cyl. 1457, 7.3L Ford Power Stroke Diesel Core Power 7.3L Ford 302 HO (1985-95), 351W V8 (1969-99) 351W 302 HO (1985-95), 2TC-3TC L4 OHV 1588-1700cc (1970-82) continued GM GM GM GM GM GM GM FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD GM LS GM LS GM LS GM LS GM LS GM LS GM LS GM LS GM LS TOYOTA TOYOTA TOYOTA HOLDEN HOLDEN PONTIAC PONTIAC STERLING CHRYSLER CHRYSLER CHRYSLER CHRYSLER CHRYSLER CHRYSLER CHEVROLET CHEVROLET OLDSMOBILE OLDSMOBILE OLDSMOBILE VOLKSWAGEN CORE DESCRIPTION 10800I 10800E CORE # 46-000-9 23-000-9 76-000-9 29-000-9 48-000-9 26-000-9 74-000-5 85-000-5 31-000-9 32-000-9 33-000-9 82-000-9 42-000-9 51-000-9 52-000-9 34-000-9 39-000-9 40-000-9 49-000-8 53-000-5I 53-000-5E 117-000-9 54-000-11 118-000-9 282-000-9 20-000-9A 24-000-9A 35-000-9A 121-000-8I 121-000-8E 109-000-10 656-000-13 689-000-13 646-000-13 116-000-12 132-000-12 624-000-15 144-000-14 189-000-13 224-000-13 156-000-13 146-000-13 115-000-10 195-000-12 120-000-12 168-000-15I 168-000-15E RACE ROLLER CAM CORES − STEEL BILLET CAM CORES RACE ROLLER OHC DIRECT ACTING CAM CORES (HYDRAULIC OR SOLID) A. journal sizes available Different CAM CORES .Different sizesavailable journal A. OHC ROLLERTAPPET CAMCORES(HYDRAULICORSOLID) OHC SLIDINGFINGERCAMCORES(HYDRAULICORSOLID) 243-000-11RE 243-000-11LE 243-000-11RI 243-000-11LI 191-000-9RE 106-000-9RE 191-000-9LE 106-000-9LE 191-000-9RI 106-000-9RI 191-000-9LI 106-000-9LI 269-000-9R 140-000-9R 127-000-9R 102-000-9R 138-000-9R 217-000-15 101-000-8E 200-000-5E 113-000-9E 135-000-8E 269-000-9L 140-000-9L 127-000-9L 102-000-9L 138-000-9L 101-000-8I 200-000-5I 135-000-8I 113-000-9I 107-000-8 222-000-5 58-000-9E 57-000-9E 58-000-9I 57-000-9I 22-000-5 87-000-5 88-000-5 84-000-5 80-000-5 79-000-5 95-000-5 72-000-5 71-000-5 70-000-0 CORE # 105000 59000 CAM CORES CORE DESCRIPTION MITSUBISHI MITSUBISHI MITSUBISHI MITSUBISHI CHRYSLER CHRYSLER CHRYSLER CHRYSLER CHRYSLER TOYOTA NISSAN NISSAN NISSAN NISSAN NISSAN NISSAN HONDA HONDA HONDA HONDA FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD FORD GM GM GM GM Mopar Midget, StantonNewHead(Tool Steel) 2000 L4OHC(1970-77)3-BearingJournal 2000, &FWD(1979-87) 2600L4RWD 2200-2800 (1970-84)GunDrilled 4.6L &5.4LDOHCRightExhaust 4.6L &5.4LDOHCLeftExhaust Neon "Y"EngineCodeExhaust 4.6L &5.4LDOHCRightIntake 4.6L SOHCRightSideCamSet 2000, 2300OHCL4(1983-87) 4.6L &5.4LDOHCLeftIntake 4.6L SOHCLeftSideCamSet Modular 2V, TFS Heads, Right Neon "Y"EngineCodeIntake 2.2L, 2.5LL4OHC(1981-93) Ecotech 2.2LDOHCExhaust Modular 2V, TFS Heads, Left Neon SOHC2.0L(1995-01) Exhaust CamSetfor4G63 Ecotech 2.2LDOHCIntake 1983-1990 4CYL, C222-4 1600, 1800L4(1969-84) Intake CamSetfor4G63 1600 L4OHC(1965-85) 20R, 22RL4(1975-89) 5.0 2015&UpCoyote 5.0 2015&UpCoyote 5.0 2015&UpCoyote 5.0 2015&UpCoyote 427 SOHCRightHand ECOTEC EqualLength ECOTEC EqualLength 427 SOHCLeftHand 5.0 2011-14Coyote 5.0 2011-14Coyote 5.0 2011-14Coyote 5.0 2011-14Coyote NAP ZL4(1981-89) D16Z6 SOHC V-TEC D16Z6 D16Y8 SOHC V-TEC D16Y8 4.6L 3 Valve Right DOHC B16A/B18C DOHC B16A/B18C V10 DOHCRIGHT 4.6L 3 Valve Left V10 DOHCLEFT 6 Cyl. SOHC ENGINE SR20-DE SR20-DE Continued onpage 9 CAM CORES CAM CORE # CORE DESCRIPTION ENGINE OHC ROLLER TAPPET CAM CORES (HYDRAULIC OR SOLID) continued 119-000-8E MITSUBISHI 4G63 Evolution VIII Exhaust (2003 & Up)

119-000-8I MITSUBISHI 4G63 Evolution VII Intake (2003 & Up) CORES 145-000-8E MITSUBISHI 2006 MIT. 2.0L EVO IX MIVEC INT 145-000-8I MITSUBISHI 2006 MIT. 2.0L EVO IX MIVEC EXH

RACE ROLLER CAM CORES − STEEL BILLET (ROUND) 10-000-0 AMC 390-401 V8 (1966-79) 123-000-0 ARIAS Arias 10 Round 122-000-0 BMW Mini Cooper 67-000-0 BUICK 231 V6 Odd Fire (1975-77) 92-000-0 BUICK 350 V8 93-000-0 BUICK BV6 Stage II 96-000-0 BUICK 400-430-455 V8 (1967-76) 61-000-0 CHEVROLET 194-230-250-292-L6 (1962-84) 03-000-0 CHEVROLET Standard Chevrolet Block W/ SB2 Heads 07-000-0 CHEVROLET LT1 Engine (1992-98) 11-000-0 CHEVROLET 396-454 V8 (1967-96) 12-000-0 CHEVROLET 262-400 V8 (1957-98) 54-000-0 CHEVROLET LS1 Engine (1997-99) 189-000-13 CHEVROLET GM LY6 14-000-0 CHEVROLET 153 L4 (1962-72) 15-000-0 CHEVROLET 200-229 V6 Even Fire 129-000-0 CHEVROLET 3.4L V6 (2001 & Up) 20-000-0 CHRYSLER 273-360 V8 (1968-99) 21-000-0 CHRYSLER 383-440 V8 Single-Bolt (1958-78) 24-000-0 CHRYSLER 426 Hemi V8 (1966-71) 26-000-0 CHRYSLER Donovan Block 134-000-0 CHRYSLER 70MM Hemi Pro Stock 72-000-0 FORD 2000 L4 OHC (1970-77) 66-000-0 FORD 240-300 L6 (1965-Present) 31-000-0 FORD 289-302 V8 (1962-95) and SVO V8 05-000-0 FORD SVO V8 W/ Mirror Image Heads 32-000-0 FORD 351C, 351M-400M V8 (1970-82) 34-000-0 FORD 429-460 Vi (1968-99) 142-000-12 GM Holden V8 Special Spacing Round Lobe 30-000-0 HARLEY DAVIDSON 80" Evolution 42-000-0 OLDSMOBILE 260-455 V8 (1965-90) 51-000-0 PONTIAC 265-455 Vi (1955-81) 52-000-0 PONTIAC 151 L4 Iron Duke

RACE ROLLER CAM CORES − SPECIAL 8620 147-000-15 GM 5.2 Bore Spacing GM 166-000-15 GM DRCE2 9 Bearing 4 Cyl. 172-000-15 GM CS 4500 Bore Spacing Brodix Block 175-000-15 GM BBC 5" Bore C&N Blocks 177-000-16 GM BBC 70MM 5300 Bore Spacing N Head/A.J. 45/60 196-000-15 GM SBC Mid Deck Block, Same As C183-12 209-000-15 GM SBC 4.5" Chuck Nuytten Block-Devito 212-000-15 GM BBC 5" Brodix Block 178-000-15 GM CS-LS-WP Motown SBC

A. Different journal sizes available Continued on page 10 CAM CORES

CORE # CORE DESCRIPTION ENGINE RACE ROLLER CAM CORES − TOOL STEEL BILLET 155-000-15 ARIAS 8.3 Aries 55-000-16 CHRYSLER R5 Block/P7 Head − Steel CORES 157-000-16 CHRYSLER Dodge R6/P8 Tool Steel Semi FT 201-000-17 CHRYSLER VVT Hemi 5.7 & 6.4 217-000-15 CHRYSLER Mopar Midget, Stanton New Head

CAM 226-000-17 CHRYSLER SB Hemi 04-000-16A GM SB2 Block/Heads − Steel 11-000-15 GM BBC Tool Steel 54-000-15 GM LS1 Tool Steel 3 Bolt 224-000-15 GM 2014+ GM Gen V & LT1 153-000-17 GM Pro Stock DRCE2 9-Bearing Round Lobe 154-000-16 GM Nimar Pro Stock 164-000-17 GM BBC Dart X Block 170-000-17 GM 5300 BS Chevrolet Dart 53 208-000-16 GM SBC Sprint Car Core, Lightened Journals 201-000-17 GM Chrysler VVT Hemi 5.7 & 6.4 208-000-16 GM SBC Sprint Car Core, Lightened Journals 35-000-16 FORD SVO V8 − Tool Steel 126-000-16 FORD Ford Hemi Pro Stock, Not Gundrilled 180-000-16 FORD FR9 NASCAR Flat Tappet 181-000-16 FORD FORD 70MM Pro Stock 9 Bearing BB 4/7 FO 236-000-17 FORD 60mm SBF D3 Head 266-000-17 FORD 7.3 Powerstroke Diesel (1997-2002) 110-000-16 TOYOTA TRD9 5160 Semi 6 BRNG

A. Different journal sizes available HYDRAULIC FLAT TAPPET HYDRAULIC HIGH ENERGY™ HYDRAULICS These lobes are to be used in applications where torque, mileage and vacuum are primary considerations. High Energy™ Hydraulics can be used as intake or exhaust lobes. They are simple street performance stock improvement lobes. This group must use a minimum tappet diameter of .842" (Chevrolet) or larger.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7

5224 240-4 192 96 .2600 .024 .017 .390 .416 .442 FLAT TAPPET 5225 244-1 196 97 .2567 .028 .020 .385 .411 .436 5223 244-2 196 101 .2666 .028 .020 .400 .427 .453 5226 248-2 200 102 .2600 .034 .025 .390 .416 .442 High Energy™ 5206 252-5 206 109 .2706 .041 .031 .406 .433 .460 Rated Duration @ 5200 252-4 206 113 .2835 .041 .031 .425 .454 .482 .006" Tappet Lift 5211 260-7 212 119 .2933 .049 .038 .440 .469 .499 .842" Min. Dia. 5205 260-8 212 117 .2795 .049 .038 .419 .447 .475 MI 25.7 (12.3/13.4) 5207 260-9 212 122 .2960 .050 .039 .444 .474 .503 5212 268-4 222 130 .3090 .064 .052 .464 .494 .525 5232 268-5 218 124 .2853 .059 .047 .428 .456 .485 5222 268-6 218 128 .3026 .060 .048 .454 .484 .514 5215 268-9 218 128 .2960 .059 .047 .444 .474 .503

MAGNUM HYDRAULICS Magnum Hydraulics are to be used in high performance applications with a minimum tappet diameter of .842" (Chevrolet) or larger. These lobes are more aggressive in their design characteristics and can be used as intake or exhaust lobes. They are a big brother to the High Energy™ family and are frequently used by the budget minded Saturday Night racer. They also provide a very "throaty" sound.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 5201 270-4 224 135 .3130 .069 .057 .470 .501 .532 5202 270-5 224 132 .3000 .068 .056 .450 .480 .510 5239 276-3 228 140 .3160 .077 .064 .474 .506 .537 5213 276-4 226 136 .3090 .072 .060 .464 .494 .525 5216 280-3 230 137 .3063 .077 .064 .459 .490 .521 5203 280-4 230 140 .3200 .079 .066 .480 .512 .544 Magnum 5240 280-9 232 142 .3220 .080 .067 .483 .515 .547 Rated Duration @ 5241 284-3 236 146 .3160 .091 .078 .474 .506 .537 .006" Tappet Lift .842" Min. Dia. 5208 286-3 236 148 .3270 .089 .075 .491 .523 .556 5229 288-9 237 148 .3220 .090 .076 .483 .515 .547 5214 292-2 244 153 .3340 .101 .087 .501 .534 .568 5204 292-3 244 151 .3235 .101 .087 .485 .518 .550 5209 296-3 246 158 .3400 .106 .092 .510 .544 .578 5210 305-3 253 163 .3500 .118 .104 .525 .560 .595 5217 305-4 253 162 .3380 .118 .104 .507 .541 .575 HYDRAULIC FLAT TAPPET

DUAL ENERGY™ HYDRAULICS Designed for the Dual Energy Cam™ Series, these lobes are good for every day driving where a broad torque curve is necessary. Very easy on related compo- nents. Designed as intake and exhaust lobes but could be used either way. Minimum tappet diameter of .842" is necessary. These lobes produce good power for a daily driver or a weekend toy used as an occasional bracket race car.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT FLAT TAPPET FLAT @ .050 @ .200 106° 110° 1.5 1.6 1.7 5110A 255 203 110 .281 .036 .028 .422 .450 .478 5146 255 203 110 .281 .036 .028 .422 .450 .478 5310 254 204 109 .271 .037 .027 .407 .434 .461 5128 265 211 117 .295 .049 .039 .443 .472 .502 5312 265 211 112 .280 .049 .039 .420 .448 .476 5128 273 211 117 .295 .049 .039 .443 .472 .502

HYDRAULIC 5166 265 211 117 .295 .049 .039 .443 .472 .502 5120A 261 212 121 .301 .049 .039 .452 .482 .512 5311 261 213 120 .286 .046 .039 .429 .458 .486 5000 263 216 123 .292 .052 .042 .438 .467 .496 Dual Energy™ Rated Duration @ 5126A 275 219 125 .308 .057 .047 .462 .493 .524 .006" Tappet Lift 5326 275 219 123 .298 .057 .048 .447 .477 .507 .842" Min. Dia. 5163 275 219 125 .308 .057 .047 .462 .493 .524 5130 275 219 125 .308 .057 .047 .462 .493 .524 5127 269 221 129 .310 .062 .051 .465 .496 .527 5315 272 221 124 .298 .062 .051 .447 .477 .507 5006 275 223 128 .304 .057 .050 .456 .486 .517 5129 276 227 134 .308 .074 .062 .462 .493 .524 5136A 277 229 137 .321 .074 .062 .482 .514 .546 5327 283 229 136 .313 .074 .062 .470 .501 .532 5002 283 233 146 .320 .074 .070 .480 .512 .544 5135 284 235 139 .321 .082 .070 .482 .514 .546

THUMPR™ HYDRAULICS The Thumpr™ lobe profiles are designed to optimize the character and sound, while providing excellent stability and a very wide power range in hydraulic flat tappet applications. Specific profiles are developed uniquely for the intake and exhaust.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 5038 271 219 130 .312 .061 .049 .468 .499 .530 Thumpr™ Int. 5039 275 223 134 .316 .067 .055 .474 .506 .537 Rated Duration @ 5040 279 227 138 .319 .074 .061 .479 .510 .542 .006" Tappet Lift .842" Min. Dia. 5042 287 235 146 .326 .088 .074 .489 .522 .554 5044 295 243 154 .333 .101 .088 .500 .533 .566

Thumpr™ Int. CB 5020 279 227 132 .293 .073 .060 .440 .469 .498 Rated Duration @ 5022 287 235 141 .300 .086 .073 .450 .480 .510 .006" Tappet Lift .842" Min. Dia. 5024 295 243 149 .307 .100 .086 .461 .491 .522 Thumpr™ Int. FW 5520 279 227 137 .306 .073 .060 .459 .490 .520 Rated Duration @ 5522 287 235 145 .313 .087 .073 .470 .501 .532 .006" Tappet Lift .875" Min. Dia. 5524 295 243 153 .320 .101 .087 .480 .512 .544 Continued on page 11 HYDRAULIC FLAT TAPPET HYDRAULIC ™ THUMPR HYDRAULICS Continued

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 Thumpr™ Int. CRS 5820 279 227 142 .324 .075 .062 .486 .518 .551 Rated Duration @ 5822 287 235 150 .331 .089 .075 .497 .530 .563 .006" Tappet Lift

.904" Min. Dia. 5824 295 243 158 .338 .103 .089 .507 .541 .575 FLAT TAPPET Thumpr™ Exh. 5055 297 241 148 .310 .094 .082 .465 .496 .527 Rated Duration @ 5057 305 249 156 .317 .107 .094 .476 .507 .539 .006" Tappet Lift .842" Min. Dia. 5059 313 257 164 .324 .120 .107 .486 .518 .551 Thumpr™ Exh. CB 5031 297 241 140 .284 .093 .080 .426 .454 .483 Rated Duration @ 5033 305 249 148 .291 .107 .093 .437 .466 .495 .006" Tappet Lift .842" Min. Dia. 5035 313 257 157 .298 .120 .107 .447 .477 .507 Thumpr™ Exh. FW 5531 297 241 143 .297 .093 .080 .446 .475 .505 Rated Duration @ 5533 305 249 152 .304 .107 .094 .456 .486 .517 .006" Tappet Lift .875" Min. Dia. 5535 313 257 160 .311 .121 .107 .467 .498 .529 Thumpr™ Exh. CRS 5831 297 241 149 .315 .094 .081 .473 .504 .536 Rated Duration @ 5833 305 249 157 .322 .109 .094 .483 .515 .547 .006" Tappet Lift .904" Min. Dia. 5835 313 257 165 .329 .123 .108 .494 .526 .559

NEW NOSTALGIA PLUS™ HYDRAULICS Designed to mimic the sound of the great engines of the past while improving performance by applying today’s design techniques, these profiles are used in our Nostalgia Plus™ Series to capture the essence of the factory muscle cars of the 60s and 70s. These profiles are slightly slower off the seat than the Xtreme Energy™ profiles but have excellent area under the curve for outstanding power.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 5066 258 211 120 .284 .048 .036 .426 .454 .483 5067 265 218 124 .280 .057 .045 .420 .448 .476 New Nostalgia Plus™ Rated Duration @ 5068 276 229 140 .312 .078 .064 .468 .499 .530 .006" Tappet Lift 5069 283 236 147 .308 .088 .074 .462 .493 .524 .842" Min. Dia. 5070 286 239 151 .322 .095 .081 .483 .515 .547 5071 293 246 157 .318 .105 .091 .477 .509 .541

RACE HYDRAULICS These are the largest hydraulic designs COMP Cams® offers. With a minimum tappet diameter of .842" or larger needed, these designs are intended for all out racing only. The larger lobes (268°, 270°, 276° @ .050" duration) were designed with large cubic inch motors in mind in a high RPM environment. These lobes have smooth ramps, making it easier for the spring to control the valve.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 5195 312-5 260 169 .3600 .128 .114 .540 .576 .612 Rated Duration @ 5221 312-6 260 171 .3530 .131 .117 .530 .565 .600 .006" Tappet Lift 5196 320-5 268 178 .3600 .143 .129 .540 .576 .612 .842" Min. Dia. 5197 320-9 268 175 .3530 .141 .128 .530 .565 .600 MI 25.8 (12.9/12.9) 5198 320-10 270 180 .3675 .147 .133 .551 .588 .625 5199 328-8 276 185 .3675 .156 .142 .551 .588 .625 FLAT TAPPET

HYDRAULIC foramoreeffectivepurgeofspentgassesfromthecombustionchambertofurtherincreasehorsepower.Smoother exhaustdesignsallow in excessivevalvetrainnoise. Faster rampsachievemaximumvelocitysooner, andprovidingmaximumhorsepower. increasingtheareaunderliftcurve vacuum andenhancesthrottleresponse. Specialintakeclosing rampsclose thevalvesooner, providingmorecylinder pressureandtorquewithoutresulting Designed to maximize torque, and throttle responsewhile providing excellenthighRPM horsepower. acceleration A fasterintakevalveopeningincreasesengine XTREME ENERGY Xtreme Energy Xtreme Energy MI 22.9(11.1/11.8) Rated Duration @ Duration Rated @ Duration Rated .006" TappetLift .006" TappetLift CAMSHAFT TYPE .842" Min. Dia. .842" Min. Dia. ™ HYDRAULIC FLATHYDRAULIC TAPPET ™ Exh. Int. ™ LOBE # HYDRAULICS 49282416.3 12.0 57.4 .575 .612 .541 .588 .576 .612 .507 .554 .585 .540 .576 .570 .108 .519 .550 .575 .108 .540 .536 .564 .122 .101 .516 .541 .515 .122 .101 .503 .531 .553 .338 .115 .094 .507 .485 .515 .360 .115 .091 .498 .520 .546 .346 166 .108 .084 .455 .485 .515 .360 167 .104 .073 .488 .514 .541 .344 163 .097 .066 254 .455 .485 .505 .335 163 .087 .066 254 .482 .509 .524 .338 159 .080 .060 250 .455 .475 298 .481 .332 157 .080 .060 250 .477 .493 298 .507 .303 153 .073 .056 246 .446 5419 .453 294 .471 .325 147 .073 .056 244 .462 5439 .477 294 .490 .303 140 .070 .047 240 .425 5449 .443 290 .468 .321 143 .070 .047 234 .447 5438 .461 288 .303 136 .060 .038 230 .416 5448 .440 284 .318 139 .060 .038 230 .432 5418 278 .297 134 .050 .030 226 .413 5447 274 .308 137 .050 .030 226 5446 274 .283 128 .041 .018 224 5435 270 .298 130 .041 224 5445 270 .277 120 .026 218 5414 268 .288 124 218 5444 268 .275 114 212 5433 262 117 212 5443 262 106 206 5432 256 206 5442 256 196 5431 250 5441 250 5430 240 5440 5437 24362410.8 12.1 48.5 .485 .595 .456 .595 .560 .578 .428 .560 .568 .525 .544 .520 .118 .525 .534 .556 .106 .510 .490 .520 .132 .098 .501 .523 .544 .120 .088 .459 .490 .510 .285 .111 .087 .491 .512 .532 .350 .101 .073 .459 .480 .525 .350 170 .100 .072 .480 .501 .485 .340 165 .086 .066 .450 .494 .515 .334 160 .085 .065 264 .470 .456 .476 .306 154 .078 .056 256 .464 .485 .503 .327 154 .078 .056 253 .428 .448 316 .306 143 .068 .052 246 .455 5233 .474 308 .320 144 .067 .047 244 .420 5234 305 .300 138 .064 .048 236 .444 5231 296 .313 140 .059 .040 236 5210 292 .309 132 .059 .040 230 5209 286 .285 133 .050 230 5214 286 .303 130 .050 224 5238 280 .280 124 224 5208 280 .296 128 222 5216 270 117 218 5203 270 121 218 5202 268 212 5201 268 212 5212 268 5232 260 5230 260 5205 5207 DURATION RATED 1 6 7 33.3 10.3 55.600 .565 .530 .120 .133 .353 173 264 316

DURATION INDEGREES @.5 @.200 @.050 LOBE LIFT TAPPET LIFT@ TDC 0°10 . . 1.7 1.6 1.5 110° 106° THEORETICAL VALVE LIFT@"0"LASH ROCKER ARM RATIOROCKER ARM HYDRAULIC FLAT TAPPET ROCKER ARM RATIO ROCKER ARM RATIO intake lobes have intake lobes more lift than ™ THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL 106° 110° 1.5 1.6 1.7 106° 110° 1.5 1.6 1.7 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET HYDRAULIC FLAT TAPPET HYDRAULIC FLAT

LOBE LIFT LOBE LIFT Valve Springs, such as the #26915, #26918 and #26120. The combination of these #26918 and #26120. such as the #26915, Springs, Valve ™

Rocker Arms in higher ratios, makes for the most revolutionary improvement in hydraulic flatin higher ratios, Arms tappet Rocker ™ @ .050 @ .200 @ .050 @ .200 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION lobes but have more velocity for use with Chrysler/Mopar .904" minimum tappet diameters. ™ RATED RATED RATED RATED DURATION DURATION HYDRAULICS exhaust lobes have more area under the curve, for better exhaust flow, than the base exhaust series. These are the first than the base exhaust series. flow, for better exhaust exhaust lobes havearea under the curve, more ™ ™ 50825083 2525084 2565085 2605086 208 2625087 212 2685088 216 121 2745089 218 125 2805090 224 129 .298 286 230 131 .3055101 292 236 .044 138 .3125103 242 .050 143 .315 2665105 248 .032 .056 150 .325 2725107 .038 .060 156 .336 2805109 217 .447 .044 .070 162 .345 290 223 .458 .047 .081 .355 302 231 127 .477 .468 .057 .091 .365 241 134 .488 .473 .067 .102 253 143 .295 .507 .499 .488 .077 .112 154 .308 .519 .504 .504 .088 .059 166 .322 .530 .520 .518 .098 .068 .342 .536 .538 .533 .047 .082 .362 .553 .552 .548 .056 .099 .571 .568 .443 .068 .120 .587 .584 .462 .085 .604 .472 .483 .106 .621 .493 .513 .502 .515 .543 .524 .547 .547 .579 .581 .615 68826883 2806884 2876885 2846886 233 2916887 240 292 239 148 299 246 153 247 154 .316 254 159 .316 .086 163 .323 .096 169 .323 .071 .097 .339 .082 .107 .339 .474 .082 .111 .474 .092 .123 .506 .485 .097 .506 .485 .108 .537 .517 .509 .537 .517 .509 .549 .542 .549 .542 .576 .576 LOBE # LOBE # Series is designed for use with modern induction systems, heads, springs and rockers. The XFI and rockers. springs heads, induction systems, for use with modern Series is designed ™ Springs, and our Ultra Pro Magnum and our Springs, ™ Int. Exh. ™ ™ Purple Plus .842" Min. Dia. .842" Min. Dia. .842" Min. .904" Min. Dia. .904" Min. CAMSHAFT TYPE CAMSHAFT TYPE Xtreme XFI .006" Tappet Lift .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet Xtreme XFI Rated Duration @ Rated Duration @ Rated Duration @ MI 23.1 (11.2/11.9) MI 25.0 (12.1/12.9) MI 24.0 (11.6/12.4) the base Xtreme series, and the XFI the base Xtreme series, profiles, the Beehive profiles, hydraulic flat tappet designed for use with COMP Cams® Beehive profiles PURPLE PLUS HYDRAULICS (.904" MIN. TAPPET) MIN. (.904" HYDRAULICS PLUS PURPLE Plus These use the same ramps as the New Nostalgia The Xtreme EnergyThe Xtreme XFI XTREME ENERGY XFI XTREME design to date the latest by bringing race winning technology to the street. HYDRAULIC FLAT TAPPET

XTREME MOPAR HYDRAULICS (.904" MIN. TAPPET) Xtreme Mopar Hydraulics are optimized for use with .904" minimum tappet diameters. The additional velocity allowed with the Chrysler/Mopar .904" tappet results in more area and lift than any of our other comparable hydraulic designs. These are the best large tappet hydraulics ever.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7

FLAT TAPPET FLAT 5964 275 231 149 .350 .083 .069 .525 .560 .595 Xtreme Mopar Int. 5962 279 235 153 .356 .089 .075 .534 .570 .605 Rated Duration @ .006" Tappet Lift 5965 285 241 159 .363 .101 .087 .545 .581 .617 .904" Min. Dia. 5960 289 245 163 .356 .109 .094 .534 .570 .605 5961 295 251 169 .356 .120 .105 .534 .570 .605 MI 23.1 (11.2/11.9) 5966 295 251 169 .376 .120 .105 .564 .602 .639

5984 287 237 151 .350 .090 .076 .525 .560 .595 HYDRAULIC Xtreme Mopar Exh. Rated Duration @ 5985 297 247 161 .363 .107 .093 .545 .581 .617 .006" Tappet Lift 5980 301 251 166 .360 .115 .101 .540 .576 .612 .904" Min. Dia. 5981 307 257 171 .360 .126 .111 .540 .576 .612 MI 25.0 (12.1/12.9) 5986 307 257 171 .376 .126 .111 .564 .602 .639

XTREME 4X4 HYDRAULICS (.904" MIN. TAPPET) The Xtreme 4x4 for .904" are similar to the XE Mopar .904" designs but optimized for AMC I6 off-road applications for great torque, responsiveness and a wide power range. For use with .904" or larger OD hydraulic tappets and 1.948" or larger journal diameter. Slightly softer off the seat than the XFI .842" series but with greatly increased area for a given seat timing by taking advantage of the larger .904" tappet. Quiet, stable and great torque. Nitriding recommended, especially on shorter duration, for enhanced durability.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 Xtreme 4x4 .904 5900 250 205 122 .305 .047 .036 .458 .488 .519 Rated Duration @ 5901 254 209 126 .311 .052 .041 .467 .498 .529 .006" Tappet Lift 5902 258 213 130 .317 .057 .046 .476 .507 .539 1.948"+ Journal .904"+ Tappet OD 5903 262 217 134 .321 .062 .051 .482 .514 .546 MI 23.5 (11.3/12.2) 5904 266 221 138 .325 .067 .056 .488 .520 .553 Low Lift 5852 258 213 117 .270 .052 .039 .405 .432 .459

MPM STOCKER HYDRAULICS (.842" MIN. TAPPET) These are high RPM hydraulic flat tappets designed around a minimum tappet diameter of .842" or larger. Intended for all out racing only.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 MPM Stocker 6622 315 260 167 .324 .127 .113 .486 .518 .551 Rated Duration @ 6624 319 264 171 .324 .134 .120 .486 .518 .551 .006" Tappet Lift .842" Min. Dia. 6626 323 268 174 .324 .141 .127 .486 .518 .551 MI 29.1 (13.8/15.3) 6628 327 272 178 .324 .147 .134 .486 .518 .551 HYDRAULIC FLAT TAPPET ROCKER ARM RATIO ROCKER ARM RATIO THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL 106° 110° 1.5 1.6 1.7 106° 110° 1.5 1.6 1.7 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET HYDRAULIC FLAT TAPPET HYDRAULIC FLAT

LOBE LIFT LOBE LIFT

@ .050 @ .200 @ .050 @ .200 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION RATED RATED RATED RATED DURATION DURATION 5862 300 269 164 .277 .135 .122 .416 .443 .471 5840 2985846 266 305 1575854 272 .267 294 166 .125 263 .277 .113 157 .136 .401 .267 .124 .427 .124 .416 .454 .111 .443 .401 .471 .427 .454 65926593 3126594 3146575 3166595 258 3186596 260 3206576 262 168 3226577 264 170 3246578 266 172 .325 326 268 173 .325 328 270 .128 175 .325 272 .132 177 .325 274 .114 .135 179 .325 .117 .139 181 .325 .488 .121 .143 183 .325 .488 .125 .146 .325 .520 .488 .128 .150 .325 .520 .488 .132 .153 .553 .520 .488 .135 .156 .553 .520 .488 .139 .553 .520 .488 .143 .553 .520 .488 .553 .520 .488 .553 .520 .553 .520 .553 .553 55385540 2945544 298 2625546 301 266 166 305 268 170 .345 272 174 .345 .123 178 .365 .130 .110 .365 .134 .116 .552 .141 .121 .552 .587 .128 .584 .587 .621 .584 .621 .621 .621 .657 .657 55205522 2795524 287 295 227 235 243 137 145 153 .306 .313 .073 .320 .087 .060 .101 .073 .459 .087 .470 .490 .480 .501 .520 .512 .532 .544 LOBE # LOBE # Int. FW Int. ™ UPI USI USI UPX USX USX CRL Stocker .842" Min. Dia. .842" Min. .875" Min. Dia. .875" Min. CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .006" Tappet Lift .006" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .006" Tappet Lift .006" Tappet Thumpr Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ MI 29.3 (13.7/15.6) These are new designs for high RPM stocker applications. USI USX UPI UPX STOCKER HYDRAULICS STOCKER UPX UPI USX USI These hydraulic flat tappet Stocker/Lift Rule profiles are quicker than the MPMs, while designed around a minimum tappet diameter of .842" or larger. These minimum while designed around a of .842" or larger. tappet diameter flatThese hydraulic tappet than the MPMs, Rule profiles are quicker Stocker/Lift all out racing only. designs are intended for CRL STOCKER HYDRAULICS (.842" MIN. TAPPET) MIN. (.842" HYDRAULICS STOCKER CRL HYDRAULIC ROLLER

HIGH ENERGY™ & MAGNUM HYDRAULIC ROLLERS − LOW & HIGH LIFT The low lift profiles were designed for street and marine use. The low lift adds dependability and reliability for extended use applications. The high lift versions of the hydraulic rollers are designed for all out applications where high lift is desired because of cylinder head or engine modifications. They function well for street/strip. These lobes run well in big cubic inch marine engines. ROLLER

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 3100 230 178 93 .2700 .014 .009 .405 .432 .459 3101 240 188 103 .2850 .022 .015 .428 .456 .485 3102 242 191 97 .2600 .024 .017 .390 .416 .442 3103 246 192 110 .3000 .024 .017 .450 .480 .510 HYDRAULIC 3104 254 199 116 .3000 .032 .024 .450 .480 .510 3105 256 200 118 .3100 .035 .026 .465 .496 .527 Hydraulic Roller Low Lift 3106 262 206 116 .3000 .041 .032 .450 .480 .510 Rated Duration @ 3160 266 210 116 .2853 .047 .037 .428 .456 .485 .006" Tappet Lift 3050 264 210 127 .3200 .047 .037 .480 .512 .544 Low Lift Journal = S,B,F,R… 3168 273 215 119 .2853 .052 .041 .428 .456 .485 MI 28.7 (13.8/14.9) 3161 276 220 123 .2853 .060 .049 .428 .456 .485 3051 274 220 134 .3200 .061 .050 .480 .512 .544 3162 292 230 128 .2853 .075 .064 .428 .456 .485 3052 284 230 142 .3200 .077 .064 .480 .512 .544 3163 302 240 135 .2853 .090 .078 .428 .456 .485 3053 296 240 148 .3200 .091 .078 .480 .512 .544 3164 312 250 142 .2853 .104 .092 .428 .456 .485

3118 260 206 126 .3330 .041 .032 .500 .533 .566 3107 266 210 130 .3330 .047 .037 .500 .533 .566 3108 270 215 133 .3330 .055 .044 .500 .533 .566 3114 281 220 134 .3200 .060 .048 .480 .512 .544 3109 276 220 138 .3400 .060 .049 .510 .544 .578 3110 284 224 136 .3330 .066 .054 .500 .533 .566 3119 280 224 144 .3500 .066 .054 .525 .560 .595 3112 290 230 143 .3400 .075 .063 .510 .544 .578 Hydraulic Roller High Lift 3111 286 230 152 .3760 .076 .063 .564 .602 .639 Rated Duration @ 3511 286 230 153 .3760 .079 .065 .564 .602 .639 .006" Tappet Lift 3122 290 236 160 .3800 .091 .076 .570 .608 .646 High Lift Journal = S,B,F,R… 3113 304 242 158 .3670 .101 .087 .551 .587 .624 MI 28.7 (13.8/14.9) 3150 307 244 158 .3600 .100 .087 .540 .576 .612 3120 304 244 161 .3830 .101 .087 .575 .613 .651 3115 304 244 164 .4000 .104 .090 .600 .640 .680 3170 315 248 161 .3600 .105 .091 .540 .576 .612 3151 318 252 164 .3600 .111 .097 .540 .576 .612 3116 314 252 169 .4000 .115 .100 .600 .640 .680 3171 325 258 169 .3600 .122 .108 .540 .576 .612 3152 329 262 172 .3600 .127 .113 .540 .576 .612 3117 324 262 177 .4200 .130 .115 .630 .672 .714 HYDRAULIC ROLLER ROCKER ARM RATIO THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL HYDRAULIC ROLLER HYDRAULIC 106° 110° 1.5 1.6 1.7 TAPPET LIFT @ TDC LIFT @ TAPPET LOBE LIFT

@ .050 @ .200 DURATION IN DEGREES DURATION RATED RATED DURATION HYDRAULIC ROLLERS HYDRAULIC ™ 35903591 2463592 2543595 2623596 194 2583597 202 2643604 210 111 2703605 206 118 2463606 212 125 .294 2543608 218 118 .298 2623609 194 .028 124 .302 2583611 202 .036 130 .290 2643594 210 .020 .047 115 .294 270 206 .028 .043 123 .298 262 .441 212 .036 .051 130 .312 .447 218 .034 .060 124 .318 .470 .453 210 .041 .028 130 .324 .477 .435 .049 .036 136 .309 .500 .483 .441 .020 .047 129 .314 .507 .464 .447 .028 .043 .320 .513 .470 .468 .037 .052 .320 .493 .477 .477 .034 .060 .500 .499 .486 .041 .047 .507 .509 .464 .049 .530 .518 .471 .037 .541 .494 .480 .551 .502 .480 .525 .512 .534 .512 .544 .544 1339013391 26213392 26413393 266 21013394 268 21213395 270 21413396 129 272 216 13113397 274 21813398 132 .325 276 220 134 .325 278 222 .047 136 .325 224 .050 137 .325 226 .037 .053 139 .325 .039 .056 141 .325 .488 .042 .059 143 .325 .488 .045 .062 .325 .520 .488 .047 .065 .325 .520 .488 .050 .068 .553 .520 .488 .053 .071 .553 .520 .488 .056 .553 .520 .488 .059 .553 .520 .488 .553 .520 .488 .553 .520 .553 .520 .553 .553 LOBE # lobes are designed to deliver the best combination of torque, horsepower and fuel effeciency. These designs haveThese quick seat timing horsepower effeciency. and fuel combination to deliver the best lobes are designed of torque, ™ ™ ™ CAMSHAFT TYPE Hydraulic Roller Hydraulic Roller .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet Rated Duration @ Rated Duration @ Tri-Power Xtreme Tri-Power Tri-Power Xtreme Tri-Power MI 27.1 (13.3/13.8) Journal = J,S,B,R… Journal = J,S,B,R… The Tri-Power Xtreme The Tri-Power TRI-POWER XTREME TRI-POWER and excellent area under the curve but allow reduced spring force for less frictional losses compared to other members of the Xtreme family. These are sized the curveand excellent area under but allow of the Xtreme family. less frictional losses compared to other members reduced spring force for the losses of pumping the intake charge in past provide optimum valve timing to reduce the parisitic series to Tri-Power timing of the especially for the required out spent exhaust.ethrottle blades and pushing ROLLER applications. Specificprofilesaredevelopeduniquelyforintakeandexhaust. Chevy engines with lower (1.5:1to1.65:1)rockerratios.Chevy engineswithlower asofterclosingThese lobeshave rampthantheXtremeEnergy including applications The QNDseriesisbasedoffthepopularLXLprofilesbutareoptimized tobeusedinsmallerjournal standard(1.868")SmallBlock QND HYDRAULIC ROLLERS The Thumpr THUMPR lobe in any application. lobe inany whereliftisimportant, valvenoise. erosionovertimeandlow either marineorindustrialapplications seat aswelllow choicefortheexhaust Also agreat HYDRAULIC Journal =N,S,B,R… Journal =N,S,B,R… Journal =S,B,F,R… MI 28.0(13.5/14.5) MI 32.0(14.7/17.3) MI 29.7(14.7/15.0) Rated Duration @ Duration Rated Rated Duration @ Duration Rated @ Duration Rated .006" TappetLift .006" TappetLift .006" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE Thumpr Thumpr QND ™ lobe profiles are designed to optimize the character and sound, while providing excellent stability and a very wide power range in hydraulic roller lobeprofilesaredesignedtooptimizethecharacterandsound, rangeinhydraulicroller widepower whileprovidingexcellentstabilityandavery ™ ™ ™ Exh. Int. HYDRAULICROLLERS HYDRAULIC ROLLER LOBE # LOBE # 35 8 2 4 35.7 01.4 54.621 .621 .584 .621 .584 .621 .548 .584 .621 .548 .584 .061 .548 .584 .055 .548 .074 .049 .548 .067 .034 .365 .061 .038 .365 .054 .365 148 .049 .365 145 .365 141 227 137 223 133 219 282 215 278 13358 211 274 13357 270 13356 266 13355 13354 57392711.2 19.0 48.2 .553 .541 .520 .529 .509 .570 .488 .498 .558 .477 .536 .546 .106 .467 .525 .536 .093 .503 .514 .587 .119 .082 .492 .504 .575 .106 .107 .482 .552 .563 .325 .094 .094 .473 .541 .553 .318 .120 .082 .518 .530 .311 161 .568 .107 .070 .507 .520 153 .556 .335 .094 .107 .497 145 257 .534 .546 .328 .082 .094 .488 249 .523 .595 .321 164 .120 .082 241 .501 .514 319 .585 .315 155 .107 .070 .491 .560 311 .573 147 257 .345 .094 .082 .482 3567 .550 303 .563 139 249 .338 .082 .070 .525 3565 .539 .553 241 319 .331 165 .096 .058 .516 3563 .530 233 311 .626 .325 157 .082 .096 .506 .520 3547 303 .614 149 257 .334 .070 .082 .497 3545 .589 295 .602 142 249 .327 .111 .070 .488 3543 .578 .590 241 319 .321 154 .096 .058 .552 3541 .566 .580 233 311 .350 146 .082 .047 .542 .555 .570 3047 303 .344 139 .070 243 .110 .531 .546 3045 295 .337 164 .058 235 .096 .521 .536 3043 .331 156 227 299 .125 .082 .512 3031 .325 148 251 291 .110 .070 .503 140 243 3556 283 .368 .096 .058 133 235 3554 307 .361 .082 .047 227 3552 299 .354 173 .070 219 3538 291 .347 165 .058 3536 283 .341 157 259 3534 275 .335 150 251 3532 142 243 315 3528 134 235 307 227 3058 299 219 3056 291 3026 283 3024 275 3022 3028 DURATION DURATION RATED RATED

DURATION INDEGREES DURATION INDEGREES @.5 @.200 @.050 @.5 @.200 @.050 LOBE LIFT LOBE LIFT TAPPET LIFT@ TDC TAPPET LIFT@ TDC 0°10 . . 1.7 1.6 1.5 110° 106° 0°10 . . 1.7 1.6 1.5 110° 106° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT @"0"LASH ™ series and are a great choice for choicefor seriesandareagreat ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM HYDRAULIC ROLLER Continued on page 22 ROCKER ARM RATIO ROCKER ARM RATIO THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL HYDRAULIC ROLLER HYDRAULIC 106° 110° 1.6 1.7 1.8 106° 110° 1.5 1.6 1.7 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET LOBE LIFT LOBE LIFT exhaust, intended for high RPM use with heavy intended for high RPM and more flexible rocker valves exhaust, ™ @ .050 @ .200 @ .050 @ .200

DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION has enhanced this technique to ensure durability with these most aggressive hydraulic roller designs. The high with these most aggressive has enhanced this technique to ensure durability hydraulic roller designs. ® RATED RATED RATED RATED DURATION DURATION 31883190 2583192 2663194 2763196 206 282 2143340 288 224 1323341 230 141 2523342 236 152 .336 2583343 157 .353 2643344 200 .042 162 .378 2703345 206 .053 .389 2763346 212 118 .032 .069 .390 282 218 123 .042 .078 288 224 127 .300 .504 .056 .090 230 131 .300 .530 .064 236 .034 136 .300 .538 .567 .075 .042 141 .300 .565 .584 .026 .050 147 .300 .571 .605 .585 .032 .058 .300 .600 .622 .450 .039 .068 .306 .643 .624 .450 .047 .078 .661 .480 .450 .055 .089 .663 .480 .450 .065 .510 .480 .450 .075 .510 .480 .450 .510 .480 .459 .510 .480 .510 .490 .510 .520 33223323 2443304 2493310 2523305 192 2523302 198 2563311 200 89 2583300 200 104 2583312 204 113 .245 2623301 206 122 .265 2643313 206 116 .285 .026 2663314 210 .032 124 .315 2703315 212 .034 128 .285 .018 2763316 214 .024 .034 126 .305 2823317 218 .026 .039 133 .320 .368 2883318 .398 224 .026 .041 129 .305 2943319 .428 230 .030 .041 139 .325 .392 300 .424 .473 236 .032 .046 145 .305 306 .456 .428 242 .032 .049 151 .330 .417 .451 .504 .458 248 .036 .052 157 .335 .485 .456 .480 254 .039 .058 164 .340 .536 .488 .458 .041 .068 171 .347 .485 .512 .488 .046 .078 178 .360 .519 .488 .458 .055 .089 .375 .544 .520 .495 .064 .101 .387 .519 .488 .503 .075 .114 .553 .528 .510 .086 .127 .519 .536 .521 .097 .561 .544 .540 .110 .570 .555 .563 .578 .576 .581 .590 .600 .612 .619 .638 .658 HYDRAULIC ROLLERS 1353113533 31620535 324 332 244 252 260 150 158 166 .349 .355 .092 .360 .105 .080 .119 .092 .558 .105 .568 .593 .576 .604 .628 .612 .639 .648 LOBE # LOBE # ™ ™ ™ SLW CAMSHAFT TYPE CAMSHAFT TYPE Xtreme Energy Xtreme Energy Journal = B,R… .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet Big Block Journal Rated Duration @ Rated Duration @ Rated Duration @ Journal = S,B,R… MI 35.0 (16.6/18.4) MI 27.1 (13.4/13.7) MI 27.1 (13.4/13.7) Journal = I,S,B,R… Small Block Journal Small Block Journal systems. systems. XTREME ENERGY of the characteristics of the flatThese designs share all tappet we have lobes but added the new technology Radius of Curvature) of CRC (Constant inverted COMP Cams radius of curvature ramp designs. The SLW Hydraulic Rollers are very smooth designs, slower than the Thumpr slower than the very Hydraulic Rollers are smooth designs, The SLW SLW HYDRAULIC ROLLER SERIES ROLLER HYDRAULIC SLW lift versions that have lobe numbers in the 3100s are more aggressive over the nose and will require more spring or less RPM. These lobes run well in street/ lift versions that haveare more aggressive lobe numbers in the 3100s more spring or less RPM. over the nose and will require agressiveWith more vacuum. and faster ramps they also provide good strip and marine applications. HYDRAULIC ROLLER

™ XTREME ENERGY HYDRAULIC ROLLERS Continued

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT

ROLLER @ .050 @ .200 106° 110° 1.5 1.6 1.7 3347 294 242 155 .318 .100 .085 .477 .509 .541 Big Block Journal 3348 300 248 162 .329 .111 .096 .494 .526 .559 Journal = B,R… 3349 306 254 170 .341 .123 .108 .512 .546 .580 MI 27.1 (13.4/13.7) 3414 310 258 173 .341 .130 .115 .512 .546 .580 3415 312 260 174 .341 .133 .118 .512 .546 .580

3628 256 208 133 .333 .044 .033 .500 .533 .566 HYDRAULIC 3610 264 212 131 .320 .050 .039 .480 .512 .544 3630 266 216 140 .340 .056 .044 .510 .544 .578 3611 270 218 136 .320 .058 .047 .480 .512 .544 3612 276 224 140 .320 .068 .055 .480 .512 .544 Ford Journal 3632 274 224 148 .347 .069 .056 .521 .555 .590 Journal = F,R… 3633 278 228 152 .352 .076 .062 .528 .563 .598 MI 25.9(12.7/13.2) 3613 288 230 144 .320 .078 .065 .480 .512 .544 3634 282 232 155 .353 .084 .069 .530 .565 .600 3635 286 236 159 .356 .092 .076 .534 .570 .605 3636 290 240 162 .359 .099 .084 .539 .574 .610 3637 294 244 166 .362 .107 .091 .543 .579 .615 3638 298 248 169 .365 .115 .099 .548 .584 .621

XTREME 4X4™ HYDRAULIC ROLLERS Due to the allowances of lower engine speed, these designs are slightly faster than the original Xtreme Energy™ Hydraulic Rollers. Great low and mid-range torque. They are our most aggressive hydraulic roller lobes and run well in street, off-road and four-wheeling.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 3324 259 210 131 .316 .047 .036 .474 .506 .537 Xtreme 4x4™ 3326 263 214 134 .316 .052 .041 .474 .506 .537 Rated Duration @ 3303 265 216 136 .316 .056 .044 .474 .506 .537 .006" Tappet Lift 3306 269 220 138 .316 .062 .049 .474 .506 .537 Small Block Journal Journal = S,B,F,R… 3307 273 224 141 .316 .069 .056 .474 .506 .537 MI 25.9(12.7/13.2) 3308 279 230 145 .316 .079 .065 .474 .506 .537 3309 283 234 148 .316 .087 .072 .474 .506 .537 HYDRAULIC ROLLER HYDRAULIC XTREME ENERGY XFI™ HYDRAULIC ROLLERS The Xtreme Energy XFI™ series is designed for use with modern induction systems, heads, springs and rockers. The XFI™ intake lobes have more lift than the base Xtreme series, and the XFI™ exhaust lobes have more area under the curve, for better exhaust flow, than the base exhaust series. These are the first hy- draulic roller profiles designed for use with COMP Cams® Beehive™ Valve Springs such as the #26915, #26918 & #26120. The combination of these profiles, the springs and our very stiff Ultra Pro Magnum™ Rocker Arms in higher ratios, makes for the most revolutionary improvement in hydraulic roller design to date by bringing the latest race winning technology to the street.

THEORETICAL VALVE LIFT @ "0" LASH ROLLER RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 3004 250 200 126 .342 .034 .025 .513 .547 .581 3010 252 202 128 .344 .036 .027 .516 .550 .585 3005 254 204 130 .345 .039 .029 .518 .552 .587 3011 256 206 132 .347 .041 .032 .521 .555 .590 3002 258 208 134 .348 .044 .034 .522 .557 .592 3012 260 210 136 .350 .047 .036 .525 .560 .595 3003 262 212 137 .352 .049 .039 .528 .563 .598 3013 264 214 139 .353 .052 .041 .530 .565 .600 3006 266 216 141 .354 .055 .044 .531 .566 .602 3014 268 218 143 .356 .058 .047 .534 .570 .605 3007 270 220 145 .357 .062 .049 .536 .571 .607 3008 272 222 147 .357 .065 .052 .536 .571 .607 3015 274 224 149 .358 .068 .055 .537 .573 .609 ™ Xtreme XFI Int. 3009 276 226 150 .359 .072 .058 .539 .574 .610 Rated Duration @ .006" Tappet Lift 13080 278 228 152 .360 .075 .062 .540 .576 .612 3016 280 230 154 .360 .079 .065 .540 .576 .612 Hydraulic Roller 13081 282 232 156 .361 .083 .068 .542 .578 .614 Journal = J,S,B,R… MI 26.6 (13.1/13.5) 13082 284 234 157 .361 .087 .072 .542 .578 .614 3017 286 236 159 .362 .090 .075 .543 .579 .615 13083 288 238 161 .363 .094 .079 .545 .581 .617 13084 290 240 163 .364 .098 .083 .546 .582 .619 3018 292 242 165 .365 .102 .087 .548 .584 .621 13085 294 244 166 .366 .106 .090 .549 .586 .622 13086 296 246 168 .366 .110 .094 .549 .586 .622 3019 298 248 170 .367 .115 .098 .551 .587 .624 13087 300 250 172 .368 .119 .102 .552 .589 .626 13088 302 252 174 .369 .123 .106 .554 .590 .627 3020 304 254 176 .370 .127 .111 .555 .592 .629 13089 306 256 178 .371 .131 .115 .557 .594 .631 13090 308 258 180 .372 .136 .119 .558 .595 .632 3021 310 260 182 .373 .140 .123 .560 .597 .634

3030 256 204 128 .333 .040 .031 .500 .533 .566 Xtreme XFI™ Exh. 13130 258 206 130 .335 .043 .033 .503 .536 .570 Rated Duration @ 13131 260 208 131 .337 .045 .035 .506 .539 .573 .006" Tappet Lift 13132 262 210 133 .339 .048 .038 .509 .542 .576 Hydraulic Roller 3033 264 212 135 .341 .050 .040 .512 .546 .580 Journal = I,S,B,R… 13133 266 214 137 .343 .053 .043 .515 .549 .583 MI 27.3 (13.4/13.9) 13134 268 216 139 .345 .056 .045 .518 .552 .587 3034 270 218 141 .347 .059 .048 .521 .555 .590 Continued on page 24 ROLLER

tuning variations betweenthelongandshortrunnersofsingle4bbltypemanifolds. tuning variations rangeinhydraulicrollerapplications.possible power Designedforbothstreetandracinguse, small toallow theselobesweredevelopedintwodegreeintervals available valveliftformodern The QXISerieslobeprofilesaredesignedtoprovidethehighest cylinder headports, alongwithexcellentstabilityandthebroadest QXI HYDRAULICROLLERS HYDRAULIC XTREME ENERGYXFI Journal =S,B,F,R… Journal =I,S,B,R… MI 27.3(13.4/13.9) MI 27.4(13.4/14.0) Rated Duration @ Duration Rated Rated Duration @ Duration Rated Xtreme XFI .006" TappetLift .006" TappetLift Hydraulic Roller CAMSHAFT TYPE CAMSHAFT TYPE QXI ™ Exh. HYDRAULIC ROLLER LOBE # LOBE # 34 1 5 7 36.3 18.4 56.622 .621 .586 .584 .617 .549 .617 .548 .581 .118 .581 .614 .114 .545 .614 .134 .545 .578 .130 .106 .578 .610 .366 .102 .542 .609 .365 .122 .542 .574 178 .118 .094 .573 .605 .363 176 .091 .539 .605 .363 .110 258 .537 .570 172 .106 .083 256 .570 .602 .361 171 .079 .534 310 .600 .361 .098 252 .534 .566 308 167 13148 .094 .072 250 .565 .597 .359 165 13147 .069 .531 304 .593 .358 .087 246 .530 .562 302 162 13146 .083 .063 244 .558 .356 160 13145 .059 .527 298 .356 .076 240 .524 296 156 13144 .072 .053 238 .354 154 13143 .051 292 .353 .066 234 290 151 13142 .063 232 .351 148 13141 286 .349 228 284 145 13140 226 143 13139 280 222 278 13138 220 13137 274 272 13136 13135 35 9 4 6 38.9 04.9 67.677 .675 .637 .672 .635 .668 .597 .632 .665 .596 .629 .661 .084 .593 .626 .658 .080 .590 .622 .655 .099 .077 .587 .619 .651 .095 .073 .584 .616 .648 .398 .091 .070 .581 .613 .644 .397 .087 .067 .578 .610 .641 .395 162 .084 .064 .575 .606 .638 .393 160 .080 .060 .572 .603 .634 .391 158 .077 .057 241 .569 .600 .389 156 .073 .054 239 .566 .597 .387 154 .070 .051 237 .563 293 .385 152 .067 .049 235 .560 291 .383 150 13453 .063 .046 233 289 .381 148 13452 .060 .043 231 287 .379 146 13451 .057 229 285 .377 144 13450 .054 227 283 .375 142 13449 225 281 .373 141 13448 223 279 139 13447 221 277 137 13446 219 275 13445 217 273 13444 215 271 13443 269 13442 267 13441 13440 01322010.6 18.2 51.8 .624 .587 .619 .551 .582 .122 .615 .546 .138 .579 .110 .612 .367 .543 .126 .576 180 .098 .607 .364 .540 .114 260 .571 174 .087 .604 .362 .536 312 .102 254 .568 169 .076 3041 .600 .360 .533 306 .091 248 .565 163 .066 3040 .357 .530 300 .080 242 158 .056 3039 .355 294 .069 236 152 3038 .353 288 230 147 3037 282 224 3036 276 3035 ™ HYDRAULICROLLERS DURATION DURATION RATED RATED DURATION INDEGREES DURATION INDEGREES @.5 @.200 @.050 @.5 @.200 @.050 Continued LOBE LIFT LOBE LIFT

TAPPET LIFT@ TDC TAPPET LIFT@ TDC 0°10 . . 1.7 1.6 1.5 110° 106° 0°10 . . 1.7 1.6 1.5 110° 106° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM Continued onpage25 HYDRAULIC ROLLER Continued on page 26 ROCKER ARM RATIO ROCKER ARM RATIO THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH LIFT @ "0" VALVE THEORETICAL HYDRAULIC ROLLER HYDRAULIC 106° 110° 1.5 1.6 1.7 106° 110° 1.5 1.6 1.7 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET LOBE LIFT LOBE LIFT

@ .050 @ .200 @ .050 @ .200 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION

Continued RATED RATED RATED RATED DURATION DURATION 1345413455 29513456 29713457 299 24313458 301 24513459 303 24713460 164 305 249 16613461 307 251 16813462 .399 309 253 17013948 .399 311 255 .103 17213950 .399 283 257 .106 17413952 .399 287 259 .087 .110 17613954 .399 291 231 .091 .114 17713956 .399 295 .599 235 .095 .118 17913958 .399 299 .599 239 .099 .122 15113960 .399 303 .638 .599 243 .103 .126 15513962 .399 307 .638 .599 247 .106 .130 15913964 .374 .678 311 .638 .599 251 .110 .13413966 163 .376 .678 315 .638 .599 255 .114 .080 167 .378 .678 319 .638 .599 259 .118 .087 171 .382 .678 .638 .599 263 .067 .095 174 .384 .678 .638 .599 267 .073 .103 178 .384 .678 .638 .561 .080 .110 182 .384 .678 .638 .564 .087 .118 185 .384 .678 .598 .567 .095 .126 .384 .678 .602 .573 .103 .134 .384 .636 .605 .576 .110 .142 .639 .611 .576 .118 .149 .643 .614 .576 .126 .649 .614 .576 .133 .653 .614 .576 .653 .614 .576 .653 .614 .653 .614 .653 .653 1347013471 27713472 27913473 281 22313474 283 22513475 285 22713476 142 287 229 14413477 289 231 14613478 .363 291 233 14813479 .365 293 235 .066 15013480 .367 295 237 .070 15213481 .369 297 239 .054 .073 15413482 .371 299 241 .057 .076 15613483 .373 301 .545 243 .060 .080 15813484 .375 303 .548 245 .063 .08313485 160 .377 305 .581 .551 247 .066 .087 162 .379 307 .584 .554 249 .070 .090 164 .381 .617 .587 .557 251 .073 .094 166 .383 .621 .590 .560 253 .076 .098 168 .385 .624 .594 .563 .080 .101 170 .387 .627 .597 .566 .083 .105 172 .388 .631 .600 .569 .087 .109 .389 .634 .603 .572 .090 .113 .389 .638 .606 .575 .094 .117 .641 .610 .578 .098 .121 .644 .613 .581 .101 .648 .616 .582 .105 .651 .619 .584 .655 .621 .584 .658 .622 .660 .622 .661 .661 LOBE # LOBE # QXI QXX CAMSHAFT TYPE CAMSHAFT TYPE .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet Rated Duration @ Rated Duration @ MI 27.4 (13.4/14.0) MI 28.1 (13.7/14.4) Journal = S,B,F,R… Journal = S,B,F,R… QXX HYDRAULIC ROLLERS HYDRAULIC QXX have slightly less lobe lift and are softer off the seat for either exhaust QXI series but are even more stable, The QXX Series lobe profiles are based off of the two degree intervals these lobes were developed in racing use, Designed for both street and applications. lobe use or as intakes in even higher engine speed to allow small tuning variations and short runners of single 4bbl type manifolds. between the long QXI HYDRAULIC ROLLERS ROLLERS QXI HYDRAULIC ROLLER

diameter, asissometimesrequiredinlongstrokeSmallBlockChevyapplications. evenwithlobebasecircle The QNIserieslobeprofilesarebasedoffoftheQXIbutsoftenedjustenoughtogrindaccurately sizesassmall.900" QNI HYDRAULICHYDRAULIC ROLLERS QXX HYDRAULICROLLERS Journal =S,B,F,R… MI 28.5(14.0/14.5) MI 28.1(13.7/14.4) Rated Duration @ Duration Rated Rated Duration @ Duration Rated Journal =N,I,J… .006" TappetLift .006" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE QXX QNI HYDRAULIC ROLLER LOBE # LOBE # 35 1 6 8 38.3 13.9 67.677 .677 .637 .677 .637 .677 .597 .637 .677 .597 .637 .677 .123 .597 .637 .677 .119 .597 .637 .677 .139 .115 .597 .637 .677 .135 .111 .597 .637 .677 .398 .131 .108 .597 .637 .677 .398 .127 .104 .597 .637 .675 .398 182 .123 .100 .597 .637 .673 .398 180 .119 .096 .597 .635 .670 .398 178 .115 .092 262 .597 .634 .666 .398 176 .112 .089 260 .596 .630 .663 .398 174 .108 .085 258 .594 .627 315 .660 .398 172 .104 .082 256 .591 .624 313 .656 .398 170 13558 .100 .078 254 .588 .621 311 .653 .398 169 13557 .096 .075 252 .585 .618 309 .398 167 13556 .092 .072 250 .582 .614 307 .397 165 13555 .089 .068 248 .579 305 .396 163 13554 .085 .065 246 .576 303 .394 161 13553 .082 .062 244 301 .392 159 13552 .078 .059 242 299 .390 157 13551 .075 240 297 .388 155 13550 .071 238 295 .386 153 13549 236 293 .384 151 13548 234 291 149 13547 232 289 147 13546 230 287 13545 228 285 13544 226 283 13543 281 13542 279 13541 13540 39 2 6 8 39.4 12.8 62.661 .661 .622 .661 .622 .661 .584 .622 .661 .584 .622 .661 .132 .584 .622 .661 .128 .584 .622 .148 .124 .584 .622 .144 .120 .584 .389 .140 .117 .584 .389 .136 .113 .389 185 .132 .109 .389 183 .128 .389 181 .125 267 .389 179 265 .389 177 263 321 175 261 319 174 13492 259 317 13491 257 315 13490 255 313 13489 311 13488 309 13487 13486 DURATION DURATION

RATED RATED

Continued DURATION INDEGREES DURATION INDEGREES @.5 @.200 @.050 @.200 @.050

LOBE LIFT LOBE LIFT TAPPET LIFT@ TDC TAPPET LIFT@ TDC 0°10 . . 1.7 1.6 1.5 110° 106° 1.7 1.6 1.5 110° 106° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM HYDRAULIC ROLLER ROCKER ARM RATIO ROCKER ARM RATIO THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL HYDRAULIC ROLLER HYDRAULIC 106° 110° 1.5 1.6 1.7 106° 110° 1.5 1.6 1.7 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET LOBE LIFT LOBE LIFT Hydraulic Rollers but have been optimized to increase power and durability when ™

@ .050 @ .200 @ .050 @ .200 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION

RATED RATED RATED RATED DURATION DURATION 33543355 2863356 2923357 2983358 230 3043359 236 3103362 242 142 3163363 248 146 3223364 254 153 .322 328 260 159 .322 334 266 .074 163 .333 272 .085 169 .333 278 .062 .095 174 .338 .071 .106 179 .338 .483 .081 .116 185 .342 .483 .092 .126 .347 .515 .500 .101 .136 .353 .515 .500 .112 .146 .547 .533 .507 .122 .155 .547 .533 .507 .132 .566 .541 .513 .142 .566 .541 .521 .575 .547 .530 .575 .555 .581 .565 .590 .600 HYDRAULIC ROLLERS HYDRAULIC 1357013571 28913572 29113573 293 23413574 295 23613575 297 23813576 153 299 240 15513577 301 242 15713578 .374 303 244 15913579 .376 305 246 .084 16113580 .378 307 248 .087 16313581 .380 309 250 .070 .091 16513582 .382 311 252 .074 .094 16713583 .384 313 .561 254 .077 .098 16913584 .386 315 .564 256 .080 .101 17113585 .387 317 .598 .567 258 .084 .105 17213586 .388 319 .602 .570 260 .087 .109 17413587 .388 .636 321 .605 .573 262 .091 .11313588 176 .388 .639 323 .608 .576 264 .094 .116 178 .388 .643 325 .611 .579 266 .098 .120 180 .388 .646 .614 .581 268 .101 .124 182 .388 .649 .618 .582 270 .105 .128 183 .388 .653 .619 .582 .109 .132 185 .388 .656 .621 .582 .113 .136 187 .388 .658 .621 .582 .116 .140 .388 .660 .621 .582 .120 .143 .388 .660 .621 .582 .124 .147 .660 .621 .582 .128 .151 .660 .621 .582 .132 .660 .621 .582 .135 .660 .621 .582 .660 .621 .582 .660 .621 .660 .621 .660 .660 LOBE # LOBE # ™ ™ QNX CAMSHAFT TYPE CAMSHAFT TYPE Xtreme Marine .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet Big Block Journal Journal = N,I,J… Rated Duration @ Rated Duration @ MI 29.1 (14.2/14.9) MI 28.6 (13.7/15.0) Journal = G,I,S,B,R… run at steady RPM for extended periods of time. Specifically designed for Big Blocks with heavier valve train components.. Specifically designed for Big Blocks with heavier valve train components.. run at steady RPM for extended periods of time. XTREME MARINE of the base Xtreme EnergyThese profiles use the same design techniques The QNX Series lobe profiles are based off of the QXX series but are softened just enough to grind accurately even with lobe base circle sizes as small as .900" as small as sizes accurately grind to enough just softened are but series QXX the of off based circle are base profiles lobe lobe with Series even QNX The required in long stroke Small Block Chevy applications. diameter as is sometimes QNX HYDRAULIC ROLLERS HYDRAULIC QNX ROLLER modifications. modifications. These have the same ramp designs as the lower liftXtremeMarine thesamerampdesignsaslower These have HUC HYDRAULICROLLERS HYDRAULIC liftXtremeMarine thesamerampdesignsaslower These have XTREME MARINE Journal =G,I,S,B,R.. Journal =S,B,F,R… MI 28.7(13.9/14.8) MI 28.6(13.7/15.0) Rated Duration @ Duration Rated Rated Duration @ Duration Rated .006" TappetLift .006" TappetLift Xtreme Marine CAMSHAFT TYPE CAMSHAFT TYPE HUC HighLift High Lift HYDRAULIC ROLLER ™ ™ LOBE # LOBE # 13361 13360 13059 13058 13057 13056 13055 13054 13053 13052 13051 13050 13048 13047 13046 13045 13037 13034 13033 HYDRAULICROLLERS−HIGHLIFT 3447 3375 3374 3373 3372 3371 3377 3370 3479 3411 3376 3475 3410 3474 3473 DURATION DURATION RATED RATED 338 334 330 326 322 318 314 310 306 302 298 294 292 290 288 286 282 282 278 330 326 322 318 314 308 306 304 300 300 296 294 294 292 290 DURATION INDEGREES DURATION INDEGREES @.050 @.050 283 279 275 271 267 263 259 255 251 247 243 239 237 235 233 231 227 227 223 274 270 266 262 258 254 250 248 244 244 240 238 238 236 234 ™ ™ @.200 @.200 designs but have higher lift to enhance power outputwithcylinder higherlifttoenhancepower designsbuthave headandengine designs but have higher lift to enhance power outputwithcylinder higherlifttoenhancepower designsbuthave headandengine 198 195 191 188 184 181 177 173 169 166 162 158 156 154 152 149 146 145 141 190 186 182 179 175 171 166 167 163 159 157 156 154 154 152 LOBE LIFT LOBE LIFT .372 .372 .372 .372 .372 .372 .372 .372 .372 .372 .369 .365 .359 .359 .355 .352 .352 .344 .336 .380 .380 .380 .380 .380 .380 .360 .380 .380 .350 .360 .360 .350 .360 .360 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .176 .169 .162 .155 .147 .139 .131 .123 .115 .108 .100 .093 .089 .086 .082 .079 .072 .072 .066 .157 .149 .142 .134 .126 .119 .111 .107 .100 .099 .092 .088 .088 .085 .081 106° 106° .161 .154 .146 .139 .131 .123 .115 .108 .100 .093 .086 .079 .075 .072 .069 .066 .060 .059 .054 .141 .134 .126 .118 .111 .103 .096 .092 .085 .085 .078 .075 .075 .071 .068 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .595 .595 .595 .595 .595 .595 .595 .595 .595 .595 .590 .584 .574 .574 .568 .563 .563 .550 .538 .570 .570 .570 .570 .570 .570 .540 .570 .570 .525 .540 .540 .525 .540 .540 1.6 1.5 ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM Continued onpage29 .632 .632 .632 .632 .632 .632 .632 .632 .632 .632 .627 .621 .610 .610 .604 .598 .598 .585 .571 .608 .608 .608 .608 .608 .608 .576 .608 .608 .560 .576 .576 .560 .576 .576 1.7 1.6 .670 .670 .670 .670 .670 .670 .670 .670 .670 .670 .664 .657 .646 .646 .639 .634 .634 .619 .605 .646 .646 .646 .646 .646 .646 .612 .646 .646 .595 .612 .612 .595 .612 .612 1.8 1.7 HYDRAULIC ROLLER 1.8 1.7 .554 .556 .558 .559 .561 .563 .564 .566 .568 .570 .571 .573 .575 .513 .520 .524 .527 .530 .534 .536 .537 .539 .541 .544 .553 .706 .713 .720 .720 .720 .720 .720 .720 .720 .720 .720 1.7 1.6 .522 .523 .525 .526 .528 .530 .531 .533 .534 .536 .538 .539 .541 .483 .490 .493 .496 .499 .502 .504 .506 .507 .509 .512 .520 .666 .673 .680 .680 .680 .680 .680 .680 .680 .680 .680 Continued on page 30 ROCKER ARM RATIO ROCKER ARM RATIO 1.6 1.5 .489 .491 .492 .494 .495 .497 .498 .500 .501 .503 .504 .506 .507 .453 .459 .462 .465 .468 .471 .473 .474 .476 .477 .480 .488 .627 .634 .640 .640 .640 .640 .640 .640 .640 .640 .640 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH LIFT @ "0" VALVE THEORETICAL 110° 110° .036 .039 .041 .043 .045 .048 .051 .054 .056 .059 .062 .066 .069 .034 .040 .045 .048 .051 .056 .059 .062 .065 .069 .075 .109 .086 .093 .100 .108 .116 .124 .132 .140 .148 .156 .164 HYDRAULIC ROLLER HYDRAULIC 106° 106° .045 .048 .051 .054 .056 .059 .062 .066 .069 .072 .075 .079 .082 .043 .051 .056 .059 .062 .069 .072 .075 .078 .082 .088 .123 .100 .108 .116 .124 .132 .140 .148 .156 .164 .172 .180 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC @ LIFT TAPPET .326 .327 .328 .329 .330 .331 .332 .333 .334 .335 .336 .337 .338 .302 .306 .308 .310 .312 .314 .315 .316 .317 .318 .320 .325 .392 .396 .400 .400 .400 .400 .400 .400 .400 .400 .400 LOBE LIFT LOBE LIFT 128 129 131 133 135 136 138 140 142 143 145 147 148 121 126 130 132 134 137 139 141 142 144 147 166 163 167 171 175 179 183 187 190 194 198 202 @ .200 @ .200 208 210 212 214 216 218 220 222 224 226 228 230 232 206 212 216 218 220 224 226 228 230 232 236 256 243 247 251 255 259 263 267 271 275 279 283 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION Continued 261 263 265 267 269 271 273 275 277 279 281 283 285 260 266 270 272 274 278 280 282 284 286 290 309 298 302 306 310 314 318 322 326 330 334 338 RATED RATED RATED RATED DURATION DURATION technology to provide excellent power with the LS1’s enhanced cylinder head design and high RPM performance. These head design and high RPM performance. cylinder enhanced technology to provide excellent power LS1’s with the 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3750 3751 3766 3752 3767 3753 3754 3755 3735 3756 3757 3659 13861 13862 13863 13064 13065 13066 13067 13068 13069 13074 13075 LOBE # LOBE # ™ High Lift HUC High Lift CAMSHAFT TYPE CAMSHAFT TYPE .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet Rated Duration @ Rated Duration @ Rated Duration @ MI 27.8 (13.9/13.9) MI 27.8 (13.9/13.9) MI 28.7 (13.9/14.8) Journal = I,S,B,R… Journal = S,B,F,R… Journal = S,B,F,R… Xtreme RPM for LS1 Xtreme RPM for LS1 XTREME RPM FOR LS1 Designed with Xtreme Energy HUC HYDRAULIC ROLLERS ROLLERS HUC HYDRAULIC provide outstanding low RPM torque with increased stability when coupled with the LS1’s larger base circle and 1.7:1+ rocker ratios. High lift versions are and 1.7:1+ rocker ratios. circle larger base provide outstanding low RPM torque with increased stability when coupled with the LS1’s manifolds and COMP #26915 and #26918 valve springs. excellent for use with improved heads, ROLLER

Chevrolet designs that are often used by other companies to "grow" a more aggressive lobeforLS1applications. amoreaggressive areoftenusedbyothercompaniesto"grow" Chevrolet designsthat Series, yettheyarestillstablewithrigidvalvetrainand optimizedspringselection. These profilesprovideevenmoreareathanthecomparableSmallBlock COMPCams®hydraulicroller rampstodate.The XE-Rdesignsarethemostaggressive thantheoriginalXtremeEnergy They arequickeroffandontheseat XTREME ENERGY mayworkwellinsomeapplications. rates These profilesusetheXtremeRPMopeningwithfasterXE-Rstyle closing. TheseshouldbestabletohigherRPMthantheXE-Rand controlledopening XTREME RPRHYDRAULICROLLERS HYDRAULIC XTREME RPMFORLS1 Xtreme RPMforLS1 Journal =B,F,R,Q… Journal =B,F,R,Q… Journal =S,B,F,R… MI 25.9(12.7/13.2) MI 27.1(13.9/13.2) MI 27.8(13.9/13.9) LS1 55mmJournal Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .006" TappetLift .006" TappetLift .006" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE XE-R forLS1 Xtreme RPR High Lift HYDRAULIC ROLLER ™ LOBE # LOBE # LOBE # XE-RFORLS1 3724 3723 3722 3721 3720 3676 3675 3674 3673 3672 3671 3670 3669 3668 3667 3666 3663 3662 3661 3660 3658 3657 3656 3655 3654 3653 3652 3705 3706 Continued DURATION DURATION DURATION RATED RATED RATED 277 275 273 271 269 283 281 279 277 275 273 271 269 323 319 315 311 309 307 305 303 301 299 297 295 293 291 289 287 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 228 226 224 222 220 231 229 227 225 223 221 219 217 270 266 262 258 256 254 252 250 248 246 244 242 240 238 236 234 @.200 @.200 @.200 149 147 146 144 143 149 147 145 144 142 140 139 137 180 177 174 172 170 169 168 166 164 162 160 158 156 154 152 150 LOBE LIFT LOBE LIFT LOBE LIFT .346 .344 .342 .342 .342 .338 .337 .336 .335 .334 .333 .332 .331 .350 .350 .350 .350 .350 .350 .350 .350 .350 .350 .350 .348 .346 .344 .340 .339 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .076 .073 .069 .065 .062 .082 .079 .075 .072 .069 .066 .062 .059 .147 .141 .135 .129 .125 .122 .118 .114 .111 .107 .103 .100 .096 .093 .089 .086 106° 106° 106° .062 .059 .055 .052 .049 .069 .066 .062 .059 .056 .054 .051 .048 .133 .127 .120 .114 .110 .107 .103 .100 .097 .092 .089 .085 .082 .079 .075 .072 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .519 .516 .513 .513 .513 .507 .506 .504 .503 .501 .500 .498 .497 .525 .525 .525 .525 .525 .525 .525 .525 .525 .525 .525 .522 .519 .516 .510 .509 1.5 1.5 1.5 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM Continued onpage31 .554 .550 .547 .547 .547 .541 .539 .538 .536 .534 .533 .531 .530 .560 .560 .560 .560 .560 .560 .560 .560 .560 .560 .560 .557 .554 .550 .544 .542 1.6 1.6 1.6 .588 .585 .581 .581 .581 .575 .573 .571 .570 .568 .566 .564 .563 .595 .595 .595 .595 .595 .595 .595 .595 .595 .595 .595 .592 .588 .585 .578 .576 1.7 1.7 1.7 ™

HYDRAULIC ROLLER 1.7 1.8 .635 .637 .639 .641 .643 .644 .646 .648 .650 .652 .653 .655 .657 .659 .661 .661 .661 .661 .661 .661 .661 .661 .661 .661 .661 .661 .592 .595 .598 .602 .605 .609 .610 .612 .614 .615 1.6 1.7 .600 .602 .604 .605 .607 .609 .610 .612 .614 .615 .617 .619 .621 .622 .624 .624 .624 .624 .624 .624 .624 .624 .624 .624 .624 .624 .557 .560 .563 .566 .570 .573 .574 .576 .578 .579 Continued on page 32 ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.6 .565 .566 .568 .570 .571 .573 .574 .576 .578 .579 .581 .582 .584 .586 .587 .587 .587 .587 .587 .587 .587 .587 .587 .587 .587 .587 .522 .525 .528 .531 .534 .537 .539 .540 .542 .543 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH LIFT @ "0" VALVE THEORETICAL 110° 110° .037 .040 .042 .045 .048 .051 .054 .057 .060 .064 .067 .071 .074 .078 .081 .085 .089 .093 .097 .101 .105 .109 .113 .117 .121 .125 .065 .069 .072 .076 .079 .083 .087 .091 .095 .098 HYDRAULIC ROLLER HYDRAULIC 106° 106° .048 .051 .054 .057 .060 .064 .067 .071 .074 .078 .081 .085 .089 .093 .096 .101 .105 .109 .113 .117 .121 .125 .129 .133 .137 .141 .080 .083 .087 .091 .095 .099 .102 .106 .110 .114 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC @ LIFT TAPPET .353 .354 .355 .356 .357 .358 .359 .360 .361 .362 .363 .364 .365 .366 .367 .367 .367 .367 .367 .367 .367 .367 .367 .367 .367 .367 .348 .350 .352 .354 .356 .358 .359 .360 .361 .362 LOBE LIFT LOBE LIFT 135 137 139 141 143 145 147 149 151 152 154 156 158 160 162 164 166 167 169 171 173 174 176 178 180 181 151 153 155 157 159 161 163 165 167 169 @ .200 @ .200 211 213 215 217 219 221 223 225 227 229 231 233 235 237 239 241 243 245 247 249 251 253 255 257 259 261 230 232 234 236 238 240 242 244 246 248 Continued @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 261 263 265 267 269 271 273 275 277 279 281 283 285 287 289 291 293 295 297 299 301 303 305 307 309 311 279 281 283 285 287 289 291 293 295 297 RATED RATED RATED RATED DURATION DURATION 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 LSL HYDRAULIC ROLLERS FOR LS1 LSL HYDRAULIC ROLLERS FOR XE-R FOR LS1 XE-R FOR 13013 13093 13014 13094 13015 13095 13016 13096 13017 13097 13018 13041 13019 13099 13020 13230 13021 13231 13022 13232 13023 13233 13024 13234 13025 13235 LOBE # LOBE # ™ ™ LSL for LS1 XE-R for LS1 CAMSHAFT TYPE CAMSHAFT TYPE .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet Rated Duration @ Rated Duration @ Journal = F,R,Q… LS1 55mm Journal MI 26.0 (12.8/13.2) MI 25.9 (12.7/13.2) Journal = B,F,R,Q… XTREME ENERGY have These quickness but excellent ramp latestour characteristics from enhanced with designed Series has been LSL The dragprofessional profiles. racing The increased lift works well with the latest Gen III and LS cylinder designs with such short seatare designed in a way to improve stability over other timing. 1/2" valve lift. head port designs by providing excellent area above XTREME ENERGY XTREME HYDRAULIC ROLLER

™ XTREME ENERGY LSL HYDRAULIC ROLLERS FOR LS1 Continued

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.6 1.7 1.8 ROLLER 13026 313 263 183 .367 .145 .129 .587 .624 .661 LSL for LS1 13236 315 265 185 .367 .149 .133 .587 .624 .661 Rated Duration @ 13027 317 267 187 .367 .153 .137 .587 .624 .661 .006" Tappet Lift 13237 319 269 188 .367 .156 .141 .587 .624 .661 Journal = F,R,Q… 13028 321 271 190 .367 .160 .144 .587 .624 .661 MI 26.0 (12.8/13.2) 13238 323 273 192 .367 .163 .148 .587 .624 .661 13029 325 275 193 .367 .167 .151 .587 .624 .661 HYDRAULIC

LSL 1.8 VM 13123 260 209 130 .333 .045 .035 .533 .566 .599 Rated Duration @ .006" Tappet Lift 13125 268 217 137 .337 .057 .045 .539 .573 .607

13321 293 243 163 .350 .104 .089 .560 .595 .630 13322 297 247 167 .350 .112 .096 .560 .595 .630 LSL LL 13323 301 251 170 .350 .120 .104 .560 .595 .630 Rated Duration @ .006" Tappet Lift 13324 305 255 174 .350 .127 .111 .560 .595 .630 13325 309 259 177 .350 .135 .119 .560 .595 .630 13326 313 263 181 .350 .143 .127 .560 .595 .630

XTREME ENERGY™ LSG HYDRAULIC ROLLERS FOR LS1 The LSG series is based of the LSL but with slightly softer ramps and less lift. Can be quieter and more stable at high engine speeds or with 1.8:1 ratios than the LSL base profiles.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.6 1.7 1.8 13115 267 218 140 .350 .057 .045 .560 .595 .630 13116 271 222 144 .351 .064 .051 .562 .597 .632 LSG for LS1 13117 275 226 148 .352 .071 .058 .563 .598 .634 Rated Duration @ .006" Tappet Lift 13118 279 230 151 .353 .078 .064 .565 .600 .635 13119 283 234 155 .354 .086 .071 .566 .602 .637 Journal = F,R,Q… 13120 287 238 159 .355 .093 .078 .568 .604 .639 MI 25.8 (12.7/13.1) 13121 291 242 162 .356 .101 .086 .570 .605 .641 13122 295 246 166 .357 .109 .093 .571 .607 .643 HYDRAULIC ROLLER 1.8 .630 .634 .637 .639 .641 .643 .644 .646 .648 .650 .652 .652 .652 .652 .652 .652 .652 .652 .652 .652 .652 .652 .652 .652 .652 .652 .652 .652 .652 1.7 .595 .598 .602 .604 .605 .607 .609 .610 .612 .614 .615 .615 .615 .615 .615 .615 .615 .615 .615 .615 .615 .615 .615 .615 .615 .615 .615 .615 .615 ROCKER ARM RATIO 1.6 .560 .563 .566 .568 .570 .571 .573 .574 .576 .578 .579 .579 .579 .579 .579 .579 .579 .579 .579 .579 .579 .579 .579 .579 .579 .579 .579 .579 .579 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL 110° .042 .047 .053 .056 .059 .062 .065 .068 .072 .075 .079 .082 .086 .090 .093 .097 .101 .105 .109 .112 .116 .120 .124 .127 .131 .135 .138 .142 .145 HYDRAULIC ROLLER HYDRAULIC 106° .053 .059 .065 .068 .072 .075 .079 .082 .086 .090 .094 .097 .101 .105 .109 .113 .117 .121 .124 .128 .132 .136 .139 .143 .146 .150 .153 .157 .160 TAPPET LIFT @ TDC LIFT @ TAPPET .350 .352 .354 .355 .356 .357 .358 .359 .360 .361 .362 .362 .362 .362 .362 .362 .362 .362 .362 .362 .362 .362 .362 .362 .362 .362 .362 .362 .362 LOBE LIFT 136 139 143 145 147 149 151 153 155 157 159 161 162 164 166 168 170 171 173 174 176 178 179 181 182 184 186 187 189 @ .200 214 218 222 224 226 228 230 232 234 236 238 240 242 244 246 248 250 252 254 256 258 260 262 264 266 268 270 272 274 @ .050 DURATION IN DEGREES DURATION 266 270 274 276 278 280 282 284 286 288 290 292 294 296 298 300 302 304 306 308 310 312 314 316 318 320 322 324 326 RATED RATED DURATION LXL HYDRAULIC ROLLERS FOR LS1 ROLLERS LXL HYDRAULIC 13155 13156 13157 13172 13158 13173 13159 13174 13160 13175 13161 13176 13162 13262 13163 13263 13164 13264 13165 13265 13166 13266 13167 13267 13168 13268 13169 13269 13170 LOBE # ™ LXL for LS1 CAMSHAFT TYPE .006" Tappet Lift .006" Tappet Rated Duration @ MI 26.9 (13.1/13.8) Journal = B,F,R,Q… The LXL Series is based off the popular LSL profiles but are optimized with lower acceleration and a softer closing ramp for less valve train noise and betterramp for less valve train closing optimized with lower LSL profiles but are is based off the popular The LXL Series acceleration and a softer forwhen used with an LSL intake and perform well are an excellent choice on the exhaust These profiles ratiostability with higher (1.8:1+) rocker arms. greatThese also are a choice for road race type engines that require when used in either LS7 or other high ratioboth the intake and exhaust applications. extended use at speeds. high engine XTREME ENERGY XTREME HYDRAULIC ROLLER

XTREME ENERGY™ LSK HYDRAULIC ROLLERS FOR LS1 The LSK Series has been designed with enhanced characteristics from our latest professional drag racing profiles.These have excellent ramp quickness. They are VERY hard on parts and not generally recommended in street applications! ROLLER THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.6 1.7 1.8 2124 265 215 142 .370 .054 .042 .592 .629 .666 2125 269 219 145 .372 .060 .048 .595 .632 .670 2126 273 223 149 .374 .066 .054 .598 .636 .673 2127 277 227 153 .376 .074 .060 .602 .639 .677

HYDRAULIC LSK for LS1 2128 281 231 156 .378 .081 .067 .605 .643 .680 Rated Duration @ 2129 285 235 160 .380 .089 .074 .608 .646 .684 .006" Tappet Lift 2130 289 239 164 .382 .096 .081 .611 .649 .688 Journal = B,F,R,Q… 2131 293 243 168 .384 .104 .089 .614 .653 .691 MI 26.6 (13.1/13.5) 2132 297 247 171 .386 .113 .096 .618 .656 .695 2133 301 251 175 .388 .121 .104 .621 .660 .698 2134 305 255 179 .390 .130 .113 .624 .663 .702 2135 309 259 183 .390 .138 .121 .624 .663 .702 2136 313 263 186 .390 .146 .129 .624 .663 .702 XTREME ENERGY™ VVI HYDRAULIC ROLLERS The VVI Series is based off the popular LSL profiles but are optimized for increase piston to valve clearance and more allowable advance in variable valve timing applications (GM LS and Dodge Hemi). These are intended as intake lobes and result in approximately .008" more tappet clearance at TDC compared to a 1° larger LSL profile or about the same clearance as a 5° smaller LSL design.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.6 1.7 1.8 13180 258 210 133 .356 .041 .030 .570 .605 .641 Xtreme Energy™ VVI Rated Duration @ 13181 262 214 137 .358 .046 .035 .573 .609 .644 .006" Tappet Lift 13182 266 218 141 .360 .052 .040 .576 .612 .648 Journal = R,Q… 13183 270 222 145 .362 .058 .046 .579 .615 .652 MI 25.3 (12.5/12.8) 13184 274 226 149 .364 .065 .052 .582 .619 .655 HYDRAULIC ROLLER HYDRAULIC LSN & LSD HYDRAULIC ROLLERS FOR DOD These two series are designed for GM LS applications with Displacement on Demand. Because of extra travel of the deactivation lifter seat before it locks in lock mode, these profiles must be designed differently than the non-cylinder deactivation lobes. The result is that the LSD "Deac" profiles look more like solid lifter profiles as that motion is akin to about .005" lash at the tappet. The LSN "non-Deac" profiles are more like standard hydraulic roller designs at the seat but matched to the LSN profiles over the nose. Note: Cylinders 1-4-6-7 are the "Deac" or Deactivation cylinders and 2-3-5-6 are the "non-Deac" cylinders.

DURATION IN DEGREES TAPPET LIFT @ TDC THEORETICAL VALVE LIFT @ "0" LASH RATED ROCKER ARM RATIO ROLLER CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.6 1.7 1.8 13299 258 206 119 .294 .042 .031 .470 .500 .529 13300 262 210 123 .294 .047 .037 .470 .500 .529 LSN (Non-Deac Cyls) 13301 266 214 126 .294 .053 .042 .470 .500 .529 Rated Duration @ .006" Tappet Lift 13302 270 218 130 .294 .059 .048 .470 .500 .529 55mm Journal .7756" 13303 274 222 133 .294 .065 .053 .470 .500 .529 BCR 13304 278 226 137 .294 .072 .059 .470 .500 .529 MI 26.7 (13.1/13.6) 13305 282 230 140 .294 .079 .065 .470 .500 .529 13306 286 234 144 .294 .086 .072 .470 .500 .529 13307 290 238 147 .294 .092 .079 .470 .500 .529

LSN (Non-Deac) 13330 262 210 127 .318 .047 .037 .509 .541 .572 Rated Duration @ 13331 266 214 130 .318 .053 .042 .509 .541 .572 .006" Tappet Lift 13332 270 218 134 .318 .059 .048 .509 .541 .572 55mm Journal .750" BCR 13333 274 222 137 .318 .065 .053 .509 .541 .572 13334 278 226 140 .318 .071 .058 .509 .541 .572 MI 26.7 (13.1/13.6) 13335 282 230 144 .318 .078 .065 .509 .541 .572

13310 274 212 123 .294 .047 .037 .470 .500 .529 13311 278 216 127 .294 .053 .042 .470 .500 .529 LSD (Deac Cyls) 13312 282 220 130 .294 .059 .048 .470 .500 .529 Rated Duration @ .006" Tappet Lift 13313 286 224 133 .294 .065 .053 .470 .500 .529 55mm Journal .7756" 13314 290 228 137 .294 .072 .059 .470 .500 .529 BCR 13315 294 232 140 .294 .079 .065 .470 .500 .529 MI 29.0 (13.9/15.1) 13316 298 236 144 .294 .086 .072 .470 .500 .529 13317 302 240 147 .294 .092 .079 .470 .500 .529 13318 306 244 151 .294 .099 .085 .470 .500 .529

LSD (Deac Cyls) 13340 274 212 127 .318 .051 .041 .509 .541 .572 Rated Duration @ 13341 278 216 131 .318 .056 .045 .509 .541 .572 .006" Tappet Lift 13342 282 220 134 .318 .062 .051 .509 .541 .572 55mm Journal .750" BCR 13343 286 224 137 .318 .068 .056 .509 .541 .572 13344 290 228 141 .318 .074 .061 .509 .541 .572 MI 29.0 (13.9/15.1) 13345 294 232 144 .318 .080 .067 .509 .541 .572 HYDRAULIC ROLLER

EHI EHX HYDRAULIC ROLLERS The EHI (intake) and EHX (exhaust) Series are higher ratio versions of the DHI and DHX hybrid hydraulic/solid roller designs. These are intended for race appli- cations that may see some street use or for other special applications with their primary emphasis on performance without compromise for noise concerns. 27 MAI intake and 30 MAI exhaust. 2.036" Journal MINIMUM. ROLLER

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.7 1.8 1.9 12854 270 219 143 .371 .060 .048 .631 .668 .705 12856 274 223 147 .373 .067 .054 .634 .671 .709 12858 278 227 151 .375 .073 .060 .638 .675 .713 12668 282 231 154 .375 .081 .067 .638 .675 .713 HYDRAULIC 12670 286 235 158 .375 .088 .073 .638 .675 .713 EHI 12672 290 239 162 .375 .096 .081 .638 .675 .713 Rated Duration @ 12674 294 243 165 .375 .104 .088 .638 .675 .713 .006" Tappet Lift 12676 298 247 169 .375 .112 .096 .638 .675 .713 Journal = F,R,Q,M 12678 302 251 173 .375 .120 .104 .638 .675 .713 MI 26.8 (12.9/13.9) 12680 306 255 176 .375 .128 .112 .638 .675 .713 12682 310 259 180 .375 .136 .120 .638 .675 .713 12684 314 263 183 .375 .144 .128 .638 .675 .713 12686 318 267 187 .375 .152 .136 .638 .675 .713 12846 322 271 190 .375 .159 .143 .638 .675 .713 12848 326 275 194 .375 .166 .151 .638 .675 .713

12864 292 233 153 .373 .082 .069 .634 .671 .709 12866 296 237 157 .375 .090 .076 .638 .675 .713 12868 300 241 161 .375 .096 .082 .638 .675 .713 12690 304 245 164 .375 .105 .090 .638 .675 .713 12692 308 249 168 .375 .112 .097 .638 .675 .713 EHX 12694 312 253 172 .375 .120 .105 .638 .675 .713 Rated Duration @ .006" Tappet Lift 12696 316 257 176 .375 .128 .112 .638 .675 .713 12698 320 261 179 .375 .136 .120 .638 .675 .713 Journal = B,F,R,M 12700 324 265 183 .375 .144 .128 .638 .675 .713 MI 29.8 (14.1/15.7) 12702 328 269 186 .375 .151 .135 .638 .675 .713 12704 332 273 190 .375 .159 .143 .638 .675 .713 12874 336 277 193 .375 .166 .150 .638 .675 .713 12876 340 281 197 .375 .173 .158 .638 .675 .713 12878 344 285 200 .375 .180 .165 .638 .675 .713 HYDRAULIC ROLLER HYDRAULIC DHI DHX HYDRAULIC ROLLERS The DHI (intake) and DHX (exhaust) Series are a hybrid hydraulic or tight lash solid roller design, based primarily on performance without compromise for noise concerns. These are intended for race applications that may see some street use or for other special applications. 26 MAI intake and 29 MAI exhaust. 55mm Journal MINIMUM.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.6 1.7 1.8 ROLLER 13596 267 217 144 .377 .057 .045 .603 .641 .679 13598 271 221 148 .381 .064 .051 .610 .648 .686 12600 275 225 152 .385 .071 .057 .616 .655 .693 12602 279 229 156 .389 .078 .064 .622 .661 .700 12608 283 233 160 .393 .085 .071 .629 .668 .707 12610 287 237 164 .397 .093 .078 .635 .675 .715 12612 291 241 167 .397 .102 .085 .635 .675 .715 12614 295 245 171 .397 .110 .093 .635 .675 .715 DHI 12616 299 249 175 .397 .118 .102 .635 .675 .715 Rated Duration @ .006" Tappet Lift 12618 303 253 178 .397 .127 .110 .635 .675 .715 12104 307 257 182 .397 .136 .118 .635 .675 .715 Journal = R,Q,M… 12106 311 261 186 .397 .144 .127 .635 .675 .715 MI 26.2 (12.6/13.6) 12108 315 265 189 .397 .152 .135 .635 .675 .715 12110 319 269 193 .397 .160 .143 .635 .675 .715 12112 323 273 197 .397 .168 .152 .635 .675 .715 13634 327 277 199 .397 .175 .159 .635 .675 .715 13636 331 281 203 .397 .183 .167 .635 .675 .715 13638 335 285 206 .397 .189 .173 .635 .675 .715 13640 339 289 210 .397 .196 .181 .635 .675 .715 13642 343 293 214 .397 .203 .188 .635 .675 .715

13632 289 231 154 .381 .080 .067 .610 .648 .686 12642 293 235 158 .385 .087 .073 .616 .655 .693 12644 297 239 162 .389 .095 .080 .622 .661 .700 12646 301 243 166 .393 .102 .087 .629 .668 .707 12630 305 247 170 .397 .110 .094 .635 .675 .715 12632 309 251 174 .397 .118 .102 .635 .675 .715 12634 313 255 178 .397 .126 .110 .635 .675 .715 DHX 12636 317 259 182 .397 .135 .119 .635 .675 .715 Rated Duration @ 12638 321 263 185 .397 .144 .127 .635 .675 .715 .006" Tappet Lift 12134 325 267 189 .397 .152 .135 .635 .675 .715 Journal = B,F,R,M 12136 329 271 193 .397 .160 .143 .635 .675 .715 MI 29.3 (13.9/15.4) 12138 333 275 196 .397 .168 .152 .635 .675 .715 12140 337 279 200 .397 .176 .160 .635 .675 .715 12142 341 283 204 .397 .184 .168 .635 .675 .715 13644 345 287 207 .397 .190 .174 .635 .675 .715 13646 349 291 210 .397 .197 .182 .635 .675 .715 13648 353 295 214 .397 .204 .189 .635 .675 .715 13650 357 299 218 .397 .210 .196 .635 .675 .715 13652 361 303 221 .397 .216 .202 .635 .675 .715 ROLLER

popular inMustangliftruleclass racing. andare"raceonly"designedlobes. aggressive These lobesarevery HRLiftRuleprofilescanberunwitheitherhydraulicrollerliftersorsolidandtight(.010"to.016")lashsettings.The Cheater Thesearevery CHEATER COMPETITIONHYDRAULICROLLERS HRLIFTRULE HYDRAULIC Conical Valve Springsand1.7:1to1.8:1ratios. The DTLHydraulicRollerdesignsareintendedforhighliftandRPMwithlightvalves, COMP.750"wheelSportsmanSeries Hydraulic RollerLifters, Dual DTL HYDRAULICROLLER Cheater HRLiftRule Cheater MI 26.4(13.0/13.4) MI 29.1(14.2/14.9) Journal =R,Q,M… Rated Duration @ Duration Rated Rated Duration @ Duration Rated .006" TappetLift .006"Tappet Lift CAMSHAFT TYPE CAMSHAFT TYPE RACE ONLY! DTL HYDRAULIC ROLLER LOBE # LOBE # 13994 13992 13990 13988 13986 13984 13982 13980 13978 13976 3295 3298 3297 3299 3283 3285 3282 3284 3339 3337 3338 3336 3498 3497 3496 3335 3397 3396 3395 3394 3393 3392 3391 3390 DURATION DURATION RATED RATED 321 317 313 309 305 301 297 293 289 285 297 305 297 289 323 319 311 307 329 319 311 307 329 327 325 321 303 301 299 297 295 293 291 289 DURATION INDEGREES DURATION INDEGREES @.050 @.050 271 267 263 259 255 251 247 243 239 235 244 252 244 236 270 266 258 254 270 266 258 254 276 274 272 268 250 248 246 244 242 240 238 236 @.200 @.200 197 193 189 185 181 177 174 170 166 162 159 166 158 150 183 179 171 167 182 178 170 166 188 186 184 180 162 160 158 156 154 152 150 148 LOBE LIFT LOBE LIFT .444 .444 .444 .444 .444 .444 .444 .440 .436 .432 .334 .329 .329 .329 .323 .323 .323 .323 .316 .316 .316 .316 .312 .312 .312 .312 .312 .312 .312 .312 .312 .312 .312 .312 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .165 .156 .148 .139 .130 .121 .113 .104 .096 .088 .099 .113 .098 .085 .146 .139 .124 .116 .146 .138 .123 .116 .157 .153 .149 .142 .109 .105 .102 .098 .095 .091 .088 .085 106° 106° .147 .139 .130 .121 .113 .104 .096 .088 .081 .074 .085 .098 .085 .072 .131 .124 .109 .102 .139 .123 .109 .102 .142 .138 .134 .127 .095 .091 .088 .085 .081 .078 .075 .072 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .710 .710 .710 .710 .710 .710 .710 .704 .698 .691 .501 .494 .494 .494 .485 .485 .485 .485 .474 .474 .474 .474 .468 .468 .468 .468 .468 .468 .468 .468 .468 .468 .468 .468 1.6 1.5 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM Continued onpage39 .755 .755 .755 .755 .755 .755 .755 .748 .741 .734 .534 .526 .526 .526 .517 .517 .517 .517 .506 .506 .506 .506 .499 .499 .499 .499 .499 .499 .499 .499 .499 .499 .499 .499 1.7 1.6 .799 .799 .799 .799 .799 .799 .799 .792 .785 .778 .568 .559 .559 .559 .549 .549 .549 .549 .537 .537 .537 .537 .530 .530 .530 .530 .530 .530 .530 .530 .530 .530 .530 .530 1.8 1.7 HYDRAULIC ROLLER 1.7 1.7 .568 .580 .580 .580 .580 .580 .580 .580 .580 .580 .580 .580 .621 .621 .621 .621 .530 .530 .530 .530 .530 .530 1.6 1.6 .534 .546 .546 .546 .546 .546 .546 .546 .546 .546 .546 .546 .584 .584 .584 .584 .499 .499 .499 .499 .499 .499 ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.5 .501 .512 .512 .512 .512 .512 .512 .512 .512 .512 .512 .512 .548 .548 .548 .548 .468 .468 .468 .468 .468 .468 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH LIFT @ "0" VALVE THEORETICAL 110° 110° .092 .065 .072 .078 .085 .091 .098 .106 .113 .120 .128 .136 .103 .110 .125 .133 .056 .065 .076 .086 .097 .107 Continued HYDRAULIC ROLLER HYDRAULIC 106° 106° .106 .078 .085 .091 .098 .106 .113 .120 .128 .136 .143 .151 .118 .125 .141 .149 .069 .079 .090 .101 .111 .121 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .334 .341 .341 .341 .341 .341 .341 .341 .341 .341 .341 .341 .365 .365 .365 .365 .312 .312 .312 .312 .312 .312 LOBE LIFT LOBE LIFT 163 147 151 155 159 163 167 171 175 179 183 187 171 175 183 187 140 145 149 153 158 162 @ .200 @ .200 248 232 236 240 244 248 252 256 260 264 268 272 254 258 266 270 224 230 236 242 248 254 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 301 285 289 293 297 301 305 309 313 317 321 325 307 311 319 323 273 279 285 291 297 303 RATED RATED RATED RATED DURATION DURATION 3296 3404 3400 3398 3384 3399 3385 3386 3387 3388 3389 3405 3288 3286 3289 3287 3329 3330 3331 3332 3333 3334 LOBE # LOBE # RACE ONLY! RACE ONLY! CAMSHAFT TYPE CAMSHAFT TYPE .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet Rated Duration @ Rated Duration @ MI 25.9(12.7/13.2) MI 29.1 (14.2/14.9) Mustang R Lift Rule Cheater HR Lift Rule MUSTANG R LIFT RULE HYDRAULIC ROLLERS COMPETITION MUSTANG These are very similar to the Cheater but more aggressive HR series off the seat and provide more area. CHEATER HR LIFT RULE HR LIFT ROLLERS HYDRAULIC COMPETITION CHEATER ROLLER

HYDRAULIC The ESI/ESX&EKI/EKXlobesarestockerversionsoftheEHI/EHXdesigns. ESI ESXSTOCKERHYDRAULICROLLERS MI 29.8(14.1/15.7) MI 26.8(12.9/13.9) Rated Duration @ Duration Rated Rated Duration @ Duration Rated .006" TappetLift .006" TappetLift CAMSHAFT TYPE ESX ESI HYDRAULIC ROLLER LOBE # 12729 12720 12773 12719 12711 13197 13011 14702 14700 12712 12718 13704 13702 13700 13698 13696 12710 13754 13752 13751 12923 12920 12919 12918 12917 12916 13692 13690 13688 13686 12708 12706 12927 12658 12657 12656 12655 12689 12688 12926 13600 13196 DURATION RATED 348 344 340 328 312 272 272 306 302 310 318 328 324 320 318 314 302 294 286 282 330 328 326 324 322 318 302 294 286 278 282 298 322 314 310 306 302 300 298 318 270 258 DURATION INDEGREES @.050 289 285 281 269 253 214 215 255 251 259 267 277 273 269 267 263 251 242 234 230 279 277 275 273 271 267 250 242 236 224 231 247 271 263 259 255 251 249 247 267 219 207 @.200 205 201 197 185 169 128 128 178 174 181 188 197 193 190 188 184 172 162 155 151 199 197 195 193 191 188 169 161 154 147 148 161 180 175 172 168 164 163 161 175 142 128 LOBE LIFT .354 .354 .354 .345 .343 .309 .306 .390 .390 .378 .367 .364 .364 .364 .363 .363 .363 .363 .363 .363 .354 .354 .354 .354 .354 .354 .353 .353 .353 .353 .323 .314 .306 .306 .306 .306 .306 .306 .306 .297 .342 .326 TAPPET LIFT@ TDC .188 .180 .173 .150 .119 .054 .056 .128 .120 .137 .153 .171 .164 .156 .152 .144 .120 .101 .086 .078 .175 .171 .168 .164 .158 .153 .117 .101 .086 .072 .801 .110 .150 .139 .132 .125 .177 .114 .110 .143 .060 .042 106° .173 .166 .158 .135 .104 .043 .045 .112 .104 .120 .137 .155 .148 .140 .136 .128 .104 .086 .072 .065 .160 .156 .152 .148 .142 .137 .101 .086 .072 .058 .664 .095 .136 .124 .117 .110 .102 .099 .095 .129 .048 .032 110° THEORETICAL VALVE LIFT@"0"LASH .566 .566 .566 .552 .549 .494 .490 .624 .624 .605 .587 .582 .582 .582 .581 .581 .581 .581 .581 .581 .566 .566 .566 .566 .566 .566 .565 .565 .565 .565 .517 .502 .490 .490 .490 .490 .490 .490 .490 .475 .547 .522 1.6 ROCKER ARM RATIOROCKER ARM Continued onpage41 .602 .602 .602 .587 .583 .525 .520 .663 .663 .643 .624 .619 .619 .619 .617 .617 .617 .617 .617 .617 .602 .602 .602 .602 .602 .602 .600 .600 .600 .600 .549 .534 .520 .520 .520 .520 .520 .520 .520 .505 .581 .554 1.7 .637 .637 .637 .621 .617 .556 .551 .702 .702 .680 .661 .655 .655 .655 .653 .653 .653 .653 .653 .653 .637 .637 .637 .637 .637 .637 .635 .635 .635 .635 .581 .565 .551 .551 .551 .551 .551 .551 .551 .535 .616 .587 1.8 HYDRAULIC ROLLER 1.8 1.8 1.7 .661 .661 .587 .589 .556 .558 .616 .653 .551 .653 .549 .653 .632 .655 .624 .655 .632 .666 .675 .675 .702 1.7 1.7 1.6 .622 .622 .554 .556 .525 .527 .581 .518 .617 .617 .517 .617 .595 .619 .587 .619 .595 .629 .638 .638 .663 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.6 1.6 1.5 .584 .584 .522 .523 .494 .496 .547 .486 .581 .581 .485 .581 .558 .582 .551 .582 .558 .592 .600 .600 .624 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH LIFT @ "0" VALVE THEORETICAL 110° 110° 110° .124 .148 .030 .033 .040 .043 .048 .030 .128 .135 .063 .143 .134 .166 .142 .173 .142 .127 .080 .103 .136 HYDRAULIC ROLLER HYDRAULIC 106° 106° 106° .141 .165 .040 .043 .050 .053 .060 .039 .143 .151 .078 .159 .150 .181 .158 .188 .158 .143 .094 .118 .152 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC @ LIFT TAPPET .389 .389 .326 .327 .309 .310 .342 .324 .363 .363 .323 .363 .372 .364 .367 .364 .372 .370 .375 .375 .390 LOBE LIFT LOBE LIFT LOBE LIFT 184 194 126 128 128 130 141 128 182 186 149 190 187 201 191 205 191 183 160 170 188 @ .200 @ .200 @ .200 Continued 260 274 205 207 213 215 219 205 265 269 229 273 265 285 269 289 269 265 240 252 269 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 311 333 256 258 271 273 271 255 324 328 279 332 315 344 319 348 319 324 299 311 328 RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION 13592 13595 13194 13198 13195 13199 13602 13010 13707 13709 12662 13711 12914 13717 12922 13719 12915 12713 12786 12787 14711 LOBE # LOBE # LOBE # CEI DSI ESX EKI EKX DJI DJX CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ MI 26.2 (12.6/13.6) MI 29.8 (14.1/15.7) CEI STOCKER HYDRAULIC ROLLERS The DSI , DJI and DJX lobes are stocker versions of the DHI/DHX designs. The DSI , DSI STOCKER HYDRAULIC ROLLERS ESI ESX STOCKER HYDRAULIC ROLLERS ROLLERS STOCKER HYDRAULIC ESI ESX ROLLER

Very quickhydraulicrollerstocker. FSHR STOCKERHYDRAULICROLLER The DSKisastockerversionoftheDSZ. DSK HYDRAULICROLLERS HYDRAULIC The CZKisastockerversionoftheCSZ. CZK HYDRAULICROLLERS MI 27.7(13.4/14.3) MI 26.3(12.9/13.4) MI 24.4(12.0/12.4) MI 24.5(12.1/12.4) MI 24.0(11.9/12.1) Rated Duration @ Duration Rated @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .006" TappetLift .006" TappetLift .006" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE Q Size DSK CZK FSH FSX FHL HYDRAULIC ROLLER LOBE # LOBE # LOBE # 12597 12594 12537 13802 13072 13801 13071 13800 13070 3580 3579 3578 3577 3576 3561 3588 3586 3585 3584 3582 DURATION DURATION DURATION RATED RATED RATED 302 290 280 285 266 283 264 281 262 309 307 305 303 301 298 291 287 285 283 279 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 274 262 228 258 217 256 215 254 213 264 262 260 258 256 252 247 243 241 239 235 178.0000 @.200 @.200 @.200 192 180 147 171 138 169 136 167 134 176 174 172 170 166 176 172 170 168 164 LOBE LIFT LOBE LIFT LOBE LIFT .323 .323 .323 .306 .316 .306 .316 .306 .316 .292 .292 .292 .292 .292 .292 .378 .378 .378 .378 .378 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .163 .139 .075 .130 .057 .126 .054 .122 .051 .144 .140 .137 .133 .129 .123 .122 .113 .109 .105 .095 106° 106° 106° .148 .123 .061 .115 .045 .111 .042 .107 .040 .129 .126 .122 .118 .114 .108 .104 .096 .092 .087 .079 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .485 .485 .485 .459 .474 .459 .474 .459 .474 .438 .438 .438 .438 .438 .438 .567 .567 .567 .567 .567 1.5 1.5 1.5 ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .517 .517 .517 .490 .506 .490 .506 .490 .506 .467 .467 .467 .467 .467 .467 .605 .605 .605 .605 .605 1.6 1.6 1.6 .549 .549 .549 .520 .537 .520 .537 .520 .537 .496 .496 .496 .496 .496 .496 .643 .643 .643 .643 .643 1.7 1.7 1.7 HYDRAULIC ROLLER 1.65 .594 .571 .578 .594 .578 .594 .578 .594 .578 .594 .611 .578 .594 .611 .611 .611 ROCKER RATIO .585 .562 .569 .585 .569 .585 .569 .585 .569 .585 .601 .569 .585 .601 .601 .601 1.625 THEORETICAL VALVE LIFT THEORETICAL VALVE 106° .076 .079 .088 .089 .103 .103 .118 .118 .131 .133 .140 .146 .147 .147 .155 .162 102° .089 .091 .102 .103 .118 .118 .132 .132 .146 .147 .156 .160 .162 .162 .170 .176 HYDRAULIC ROLLER HYDRAULIC TAPPET LIFT @ TDC LIFT @ TAPPET ramps achieve maximum velocity sooner, increasing the area velocity sooner, ramps achieve maximum ™ 98° .103 .106 .117 .118 .134 .134 .149 .149 .161 .163 .170 .174 .176 .177 .184 .191 .360 .346 .350 .360 .350 .360 .350 .360 .350 .360 .370 .350 .360 .370 .370 .370 LOBE LIFT 148 147 153 155 160 162 167 169 174 176 180 181 183 183 187 191 @ .200 228 230 236 236 244 244 252 252 260 260 264 268 268 268 272 276 @ .053 DURATION IN DEGREES DURATION 3822 3809 3810 3823 3832 3824 3833 3825 3834 3826 3816 3835 3827 3817 3818 3819 LOBE # HARLEY HYDRAULIC ROLLERS HYDRAULIC HARLEY ™ Harley ™ CAMSHAFT TYPE .053" Tappet Lift .053" Tappet Rated Duration @ MI 30.2 (14.8/15.4) Xtreme Energy Designed to maximize torque, acceleration and throttle response for V-twins while providing excellent high RPM horsepower. A faster valve opening increasesfaster valve A excellent high RPM horsepower. providing while V-twins acceleration for response throttle and to maximize torque, Designed more cylinder providing sooner, the valve close ramps Special closing roll on power. providing improved throttle response, engine vacuum and enhances faster Xtreme EnergyThe resulting in excessive valve train noise. pressure and torque without XTREME ENERGY XTREME under the lift curve and providing maximum airflow and horsepower. FLAT TAPPET to allow thevalvelashtobevariedfrom.015".030".to allow toarazorsharpedge. application highperformance This tuningtoolcanbeusedtofinetuneany The XtremeEnergy XTREME ENERGY musclemetallic, factory cars. ofthegreat mechanicalsoundmadefamousbythemostpowerful furthertuningthroughlashadjustment. moreprecisevalvecontrolandallows lifter designallows distinct .015"thesedesignsprovidethat When lashedat today’s engines ofthepast while improving performance by applying These lobes are designed to mimicthesound of thegreat design techniques. The solid NEW NOSTALGIA PLUS The High Energy HIGH ENERGY provide shorter seat timing than all but the most aggressive race solids but feature aspecialclosing racesolidsbut feature excessivenoise. timingthanallbutthemostaggressive sectiontoeliminate provide shorterseat tion isquickerthantheHighEnergy while providing even more high RPM horsepower by taking advantage oftheincreasedstabilityasoliddesign. bytakingadvantage while providingevenmorehighRPMhorsepower The XtremeEnergy SOLID New NostalgiaPlus MI 28.8(13.8/15.0) MI 28.8(13.8/15.0) MI 37.6(19.1/18.5) Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .015" TappetLift .015" TappetLift .015" TappetLift .015" TappetLift Xtreme Energy CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .842" Min. Dia. .842" Min. Dia. .842" Min. Dia. .842" Min. Dia. High Energy Magnum ™ SolidisthemechanicalversionofHighEnergy SOLID FLATSOLID TAPPET ™ ™ SolidsaredesignedwithsimilarcharacteristicstotheXtremeEnergy ™ ™ ™

&MAGNUMSOLIDS ™ LOBE # LOBE # LOBE # SOLIDS 6061 6091 6059 6089 6057 6056 6055 6054 6084 6053 6038 6114 5190 6083 6052 6071 6070 6069 6068 6003 6007 6002 6017 ™ Hydraulics, thanitshydrauliccounterpart. thusproducingslightlymorepower SolidLifterSeriesisdesigned The Magnum ™ SOLIDS DURATION DURATION DURATION RATED RATED RATED 264-1 244-3 240-3 306-5 294-3 282-2 270-3 298 298 290 290 282 280 274 268 268 262 262 256 291 284 283 276 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 260 260 252 252 244 242 236 230 230 224 220 200 190 224 218 254 247 246 239 260 248 236 224 ™ Hydraulic. amechanical(solid)lifter, Becausethesedesignsincorporate thevalve actua- @.200 @.200 @.200 172 171 164 164 156 153 147 141 140 135 130 108 104 135 129 164 158 155 149 164 154 145 135 LOBE LIFT LOBE LIFT LOBE LIFT .2933 .2660 .2660 .3700 .3500 .3300 .3120 .373 .352 .361 .352 .347 .341 .335 .326 .313 .319 .313 .311 .332 .336 .317 .320 ™ Hydraulicstomaximizetorque, andthrottleresponse acceleration TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .129 .129 .115 .115 .101 .097 .087 .077 .077 .067 .067 .062 .031 .031 .057 .118 .108 .104 .094 .119 .096 .082 .064 106° 106° 106° .155 .155 .101 .101 .087 .083 .073 .064 .064 .054 .054 .050 .023 .023 .046 .104 .094 .090 .080 .100 .084 .069 .054 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .560 .528 .542 .528 .521 .512 .503 .489 .470 .479 .470 .440 .399 .399 .467 .498 .504 .476 .480 .555 .525 .495 .468 1.5 1.5 1.5 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM ™ Solids have ramps that rampsthat Solidshave .597 .563 .578 .563 .555 .546 .536 .522 .501 .510 .501 .469 .426 .426 .498 .531 .538 .507 .512 .592 .560 .528 .499 1.6 1.6 1.6 .634 .598 .614 .598 .590 .580 .570 .554 .532 .542 .532 .499 .452 .452 .529 .564 .571 .539 .544 .629 .595 .561 .530 1.7 1.7 1.7 SOLID FLAT TAPPET 1.7 1.7 1.7 .554 .580 .605 .631 .656 .680 .680 .561 .575 .604 .612 .629 .638 .655 .663 .638 .666 .638 .542 .532 .554 .544 .566 .556 1.6 1.6 1.6 .522 .546 .570 .594 .618 .640 .640 .528 .541 .568 .576 .592 .600 .616 .624 .600 .627 .600 .510 .501 .522 .512 .533 .523 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.5 1.5 .489 .512 .534 .557 .579 .600 .600 .495 .507 .533 .540 .555 .563 .578 .585 .563 .588 .563 .479 .470 .489 .480 .500 .491 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL 110° 110° 110° .083 .100 .117 .134 .151 .154 .168 .068 .080 .092 .098 .100 .113 .123 .129 .129 .149 .142 .066 .088 .079 .101 .092 .115 SOLID FLAT TAPPET SOLID FLAT 106° 106° 106° .097 .114 .131 .148 .165 .168 .182 .082 .094 .104 .111 .119 .126 .136 .142 .143 .163 .156 .079 .101 .092 .115 .106 .128 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .326 .341 .356 .371 .386 .400 .400 .330 .338 .355 .360 .370 .375 .385 .390 .375 .392 .375 .319 .313 .326 .320 .333 .327 LOBE LIFT LOBE LIFT LOBE LIFT 152 162 172 182 191 184 200 144 152 156 160 164 169 175 177 175 184 182 140 152 148 160 156 168 @ .200 @ .200 @ .200 246 256 266 276 286 290 296 235 242 250 255 260 265 270 275 270 283 280 231 245 239 253 247 261 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 268 287 276 295 284 303 284-1 294-1 304-1 314-1 324-1 328-3 334-2 270-1 280-1 285-1 290-1 295-1 300-1 305-1 310-1 310-2 320-1 320-2 RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION 6019 6012 6013 6006 6027 6028 6029 6015 6001 6014 6016 6009 6018 6000 6010 6004 6011 6005 6440 6455 6442 6457 6444 6459 LOBE # LOBE # LOBE # SOLIDS SOLIDS Int. Exh. ™ ™ ™ lobe profiles are designed to optimize the character and sound, while providing excellent stability and a very excellent stability and while providing wide power range in solid flat the character and sound, are designed to optimize lobe profiles tappet ™ High RPM .018" Lash .018" Lash High Torque Thumpr Thumpr .842" Min. Dia. .842" Min. .842" Min. Dia. .842" Min. .842" Min. Dia. .842" Min. Dia. .842" Min. CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .015" Tappet Lift .015" Tappet Lift .015" Tappet Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ MI 37.6 (17.9/19.7) MI 36.9 (18.4/18.5) MI 28.9 (13.3/15.6) MI 32.0 (13.3/18.7) applications. Specific profiles are developed uniquely for the intake and exhaust. profiles are developed uniquely for the intake Specific applications. HIGH RPM SOLIDS Design rates have chosen to allowor greaterbeen carefully with 1.7 primarily on motors be used designs are to These higherto run rocker ratios. these designs engine speeds than their high torque counterparts. The High Torque Solid is designed to be used on .842" or larger tappet diameters. These are our most winning, all around solid designs. Tappet acceleration Tappet all around solid designs. These are our most winning, Solid is designed to be used on .842" or larger tappet diameters. Torque The High TL or XTQ intake designs. well as exhaust when coupled with Works horsepower in an all out racing engine. rates are high to produce maximum torque vs. HIGH TORQUE SOLIDS The Thumpr THUMPR FLAT TAPPET

circle trackracing. racing. wellindrag The largerdesignsperformvery timingandmoreareathanothersimilardesigns. shorterseat The designsforthetightlashsolid.842"diameterliftersfeature Goodinrestrictedoropenrules TIGHT LASHSOLIDS SOLID results. racingandhobbystocks. todrag fromSprintCupandenduranceapplications beenusedsuccessfullyineverything These have These designsrepresentanexcellentmixofhorsepower, torque, RPManddurability. They workwith.842"orlargerdiametertappets, good producingvery HI-TECH MI 28.1(13.4/14.7) MI 38.2(19.1/19.1) Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE .842" Min. Dia. .842" Min. Dia. .018" Lash .018" Lash Tight Lash Hi-Tech ™ SOLIDS ™ SOLID FLATSOLID TAPPET LOBE # LOBE # 6310 6308 6307 6306 6305 6304 6303 6302 6301 6314 6313 6312 6036 6035 6034 6033 6032 6031 6030 DURATION DURATION TL312 TL304 TL300 TL296 TL292 TL288 TL284 TL280 TL276 TL272 TL268 TL264 RATED RATED 324-4 320-4 316-4 312-4 308-4 304-4 300-4 DURATION INDEGREES DURATION INDEGREES @.050 @.050 282 274 270 266 262 259 254 250 246 242 238 234 286 282 278 274 270 266 262 @.200 @.200 191 181 177 173 169 166 162 158 154 151 147 143 192 186 181 177 174 170 166 LOBE LIFT LOBE LIFT .4067 .3934 .3867 .3800 .3734 .3667 .3600 .3534 .3476 .3400 .3350 .3300 .400 .390 .385 .380 .375 .370 .365 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .162 .143 .139 .133 .127 .121 .114 .109 .102 .096 .089 .083 .163 .154 .147 .140 .134 .128 .121 106° 106° .148 .130 .125 .119 .113 .108 .101 .095 .089 .083 .077 .070 .149 .140 .133 .127 .120 .114 .108 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .610 .590 .580 .570 .560 .550 .540 .530 .521 .510 .503 .495 .600 .585 .578 .570 .563 .555 .548 1.5 1.5 ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM .651 .629 .619 .608 .597 .587 .576 .565 .556 .544 .536 .528 .640 .624 .616 .608 .600 .592 .584 1.6 1.6 .691 .669 .657 .646 .635 .623 .612 .601 .591 .578 .570 .561 .680 .663 .655 .646 .638 .629 .621 1.7 1.7 SOLID FLAT TAPPET ROCKER ARM RATIO ROCKER ARM RATIO THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID FLAT TAPPET SOLID FLAT 106° 110° 1.5 1.6 1.7 106° 110° 1.5 1.6 1.7 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET Solid profiles. They are designed for use in They are designed applicationsthat need the Solid profiles. ™ LOBE LIFT LOBE LIFT @ .050 @ .200 @ .050 @ .200 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION RATED RATED RATED RATED DURATION DURATION 63306331 2876332 2916333 2956334 256 2996335 260 3036336 264 167 307 268 171 311 272 175 .367 276 179 .371 280 .121 183 .376 .128 187 .380 .107 .135 191 .384 .114 .142 .389 .551 .121 .149 .393 .557 .128 .156 .587 .564 .135 .163 .594 .570 .142 .624 .602 .576 .149 .631 .608 .584 .639 .614 .590 .646 .622 .653 .629 .661 .668 62756276 248XTQ6277 254XTQ6258 218 260XTQ 224 266XTQ6259 230 129 236 135 270XTQ6260 141 .310 240 147 .318 274XTQ6261 .057 .325 244 .067 152 .334 278XTQ6262 .046 .077 248 .054 .087 156 .340 282XTQ6263 .465 .064 .477 252 .073 .094 160 .346 286XTQ .4966264 .488 .509 .501 256 .080 .101 164 .354 290XTQ .527 .5206265 .541 .534 .510 260 .087 .108 168 .360 294XTQ .553 6266 .568 .544 .519 264 .094 .115 172 .366 298XTQ6267 .578 .554 .531 268 .101 .122 176 .372 302XTQ6268 .588 .566 .540 272 .108 .129 180 .378 306XTQ6269 .602 .5766270 .549 276 .115 .136 184 .386 310XTQ 314XTQ .612 .586 .558 280 .122 .143 188 .392 284 .622 .595 .567 .129 .150 192 .398 196 .632 .605 .579 .136 .157 .404 .410 .643 .618 .588 .143 .164 .171 .656 .627 .597 .150 .157 .666 .637 .606 .615 .677 .646 .656 .687 .697 16258 268XTQ16259 238 272XTQ16260 242 150 276XTQ16261 246 154 .337 280XTQ16262 250 .090 158 .343 284XTQ16263 254 .077 .097 162 .350 288XTQ16264 .506 258 .083 .104 166 .357 292XTQ16265 .539 .515 262 .090 .111 170 .363 296XTQ16266 .573 .549 .525 266 .097 .118 174 .369 300XTQ16267 .583 .560 .536 270 .104 .125 178 .375 304XTQ16268 .595 .571 .545 274 .111 .132 182 .382 308XTQ .607 .581 .554 278 .118 .139 186 .389 .617 .590 .563 .125 .146 190 .395 .627 .600 .573 .132 .153 .401 .638 .611 .584 .139 .160 .649 .622 .593 .146 .661 .632 .602 .672 .642 .682 LOBE # LOBE # XTQ .018" Lash .018" Lash High RPM II .842" Min. Dia. .842" Min. .842" Min. Dia. .842" Min. CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ MI 30.3 (13.9/16.4) MI 28.8 (13.8/15.0) area of an XTQ style lobe, but are required to operate at higher engine speeds than that fast of a ramp will allow. HTL Lifters are highly recommended with these but are required to operate at speeds than that higher engine fast of a ramp will allow. area of an XTQ style lobe, our tech representative. Please consult with Cams using these lobes should have for increased oiling. provisions Note: profiles. The XTQ Solid design sets the new standard for aggressive .842" lifter designs. With seat timing as low as our original tight lash series and more area than our The XTQ Solid design sets the new standard for aggressive .842" lifter designs. applications; Smaller designs are intended for restricted larger edge over the competition. these designs give their racers a clear famous "XX" .875" series, designs can be used in open applications valve spring selection and lighter valve train. NOTE: Cams using these lobes should have with an optimized provisions Please consult with our tech representative. for increased oiling. XTQ SOLIDS High RPM Series II Solids are more aggressiveHigh RPM Series High RPM and Hi-Tech than the original HIGH RPM II SOLIDS HIGH RPM FLAT TAPPET

JF designs are also good for use with very highrockersinmoreopenapplications. Canalsoberuninhydrauliclifterapplications. JF designsarealsogoodforusewithvery The JF.330"LiftSolidsaredesignedforuseinliftruleclasses requirehigherRPMorlighterspringsthanneededwiththeMax that Area Lift RuleSeries. The JF .330"LIFTSOLIDS SOLID for increasedoiling. Pleaseconsultwithourtechrepresentative. area. The lifts are slightly less than the High Torque profiles to increase the nose radius and reduce wear. Note: provisions Cams using these lobes should have RPM applications. The closing sideissimilartotheHigh Torque profiles, afasteropeningsidetoincreasetorqueandprovidemore butthisdesignincorporates The XTXSolidsareanexcellentchoiceforexhaustprofilestobecoupledwitheithertheXTQorMHcanusedbothintakeandinhigh XTX SOLIDS MI 29.3(14.2/15.1) MI 34.0(16.2/17.8) Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE .842" Min. Dia. .842" Min. Dia. JF .330"Lift .018" Lash XTX SOLID FLATSOLID TAPPET LOBE # LOBE # 6188 6187 6186 6185 6184 6169 6168 6167 6166 6165 6157 6164 6173 6163 6172 6162 6161 6170 6160 6159 6158 6420 6418 6416 6414 6412 6410 6408 6406 6404 6402 6400 DURATION DURATION RATED RATED 311 309 307 305 303 301 299 297 295 293 291 289 287 285 283 281 277 275 273 271 269 312 308 304 300 296 292 288 284 280 276 272 DURATION INDEGREES DURATION INDEGREES @.050 @.050 282 280 278 276 274 272 270 268 266 264 262 260 258 256 254 252 248 246 244 242 240 278 274 270 266 262 258 254 250 246 242 238 @.200 @.200 187 185 183 182 180 178 176 174 172 170 168 167 166 164 163 161 157 155 153 151 149 185 181 177 173 169 165 161 157 153 149 145 LOBE LIFT LOBE LIFT .330 .330 .330 .330 .330 .330 .330 .330 .330 .330 .330 .330 .330 .330 .330 .330 .330 .330 .330 .329 .327 .379 .375 .371 .367 .363 .359 .355 .351 .347 .341 .335 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .162 .159 .156 .152 .149 .146 .143 .139 .136 .132 .129 .126 .123 .121 .118 .114 .107 .100 .100 .100 .100 .153 .146 .139 .132 .125 .118 .112 .105 .099 .092 .086 106° 106° .149 .146 .142 .139 .136 .133 .129 .126 .122 .119 .116 .113 .110 .107 .104 .100 .094 .087 .087 .087 .087 .139 .132 .125 .118 .111 .105 .098 .092 .086 .080 .074 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .495 .495 .495 .495 .495 .495 .495 .495 .495 .495 .495 .495 .495 .495 .495 .495 .495 .495 .495 .494 .491 .569 .563 .557 .551 .545 .539 .533 .527 .521 .512 .503 1.5 1.5 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .528 .528 .528 .528 .528 .528 .528 .528 .528 .528 .528 .528 .528 .528 .528 .528 .528 .528 .528 .526 .523 .606 .600 .594 .587 .581 .574 .568 .562 .555 .546 .536 1.6 1.6 .561 .561 .561 .561 .561 .561 .561 .561 .561 .561 .561 .561 .561 .561 .561 .561 .561 .561 .561 .559 .556 .644 .638 .631 .624 .617 .610 .604 .597 .590 .580 .570 1.7 1.7 SOLID FLAT TAPPET 1.7 1.7 .512 .512 .524 .524 .524 .524 .524 .583 .593 .604 .614 .624 .634 .644 .655 .485 .485 1.6 1.6 .482 .482 .493 .493 .493 .493 .493 .549 .558 .568 .578 .587 .597 .606 .616 .456 .456 ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.5 .452 .452 .462 .462 .462 .462 .462 .515 .524 .533 .542 .551 .560 .569 .578 .428 .428 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL 110° 110° .122 .128 .095 .100 .103 .106 .109 .089 .095 .102 .109 .116 .123 .130 .136 .097 .103 SOLID FLAT TAPPET SOLID FLAT 106° 106° .135 .141 .110 .113 .116 .119 .123 .102 .109 .116 .123 .130 .136 .143 .150 .110 .116 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .301 .301 .308 .308 .308 .308 .308 .343 .349 .355 .361 .367 .373 .379 .385 .285 .285 LOBE LIFT LOBE LIFT 167 171 155 157 158 160 162 155 159 163 167 171 175 179 183 148 151 @ .200 @ .200 266 270 250 252 254 256 258 246 250 254 258 262 266 270 274 252 256 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 295 299 279 281 283 285 287 275 279 283 287 291 295 299 303 282 286 RATED RATED RATED RATED DURATION DURATION 16246 16248 16234 16235 16236 16226 16237 16104 16106 16108 16110 16112 16114 16116 16118 16230 16231 LOBE # LOBE # JF .301" Lift JF .308" Lift JF .330" Lift HF .285" Lift .842" Min. Dia. .842" Min. .842" Min. Dia. .842" Min. .842" Min. Dia. .842" Min. .842" Min. Dia. .842" Min. CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ MI 29.5 (14.3/15.2) The JF Solids are higher lift versions of the JF .330" series. These lobes are easier on parts and more stable at high RPM than the TL series. The JF designs are TL series. These lobes are easier on parts and more stable at high RPM than the series. The JF Solids are higher lift versions of the JF .330" Can also be run in hydraulic lifter applications. track and drag race applicationsbest with 1.65+ rockers in both circle where durability is required. JF SOLIDS Based on the JF series except expressly for Lift Rule classes. JF series except expressly Based on the HF & JF LIFT RULEHF & JF SOLIDS FLAT TAPPET for convenientselection. Note: provisionsforincreasedoiling. Camsusingtheselobesshouldhave Pleaseconsultwithourtechrepresentative. applications.the MAprofileandtechniqueswelearnfromourSpintrontestingtoprovidebestperformanceinallliftrule Groupedinlobeliftincrements .006" than.020".at dynamic valvemotionandproducemaximumpower, Specificallydesignedtooptimize theselobesusetheexperiencegainedfromracing Area Seriesfortighterlashandlessrocker. They workwellinliftrule ovaltrack, classes. roadraceandhighRPMNHRAStockEliminator Will check21°larger The Max Area LiftRulelobescanberunwithsolidliftersorProMagnum MAX SOLIDS AREA LIFTRULE SOLID provisions forincreasedoiling. Pleaseconsultwithourtechrepresentative. area underthecurve. andcanbeusedwithan.842"lifter.These lobesperformbestwitha1.7or1.8rockerratio Note: Camsusingtheselobesshouldhave The Max limited. which areairflow Area Series is designedfor2bbl and stock intake applications timing withmaximum seat This series oflobesutilizeslow MAX AREA (MA)SOLIDS MI 26.7(13.0/13.7) MI 26.7(13.0/13.7) Max Lift Area Low Rated Duration @ Duration Rated Rated Duration @ Duration Rated .010"-.020" Lash .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE .842" Min. Dia. .842" Min. Dia. Max Area SOLID FLATSOLID TAPPET LOBE # LOBE # 6222 6219 6218 6217 6216 6215 6214 6213 6212 6211 6210 6209 6208 5643 5556 5547 5553 5519 5518 5517 5550 5746 5744 5645 5708 5719 5720 5718 5704 5696 5695 DURATION DURATION MA299-1 MA295-1 MA291-1 MA287-1 MA283-1 MA279-1 MA275-1 MA271-1 MA267-1 MA263-1 MA259-1 MA255-1 MA251-1 RATED RATED 281 279 277 274 273 271 269 267 265 261 257 293 283 279 275 283 277 273 DURATION INDEGREES DURATION INDEGREES @.050 @.050 272 268 264 260 256 252 248 244 240 236 232 229 225 254 252 250 248 246 244 242 240 238 234 230 266 256 252 248 256 250 246 @.200 @.200 179 176 171 168 164 161 159 155 151 147 143 139 135 148 146 145 142 142 140 138 134 133 129 124 159 148 144 140 142 127 124 ™ -style hydrauliclifters. thantheparent Max offtheseat They aremoreaggressive LOBE LIFT LOBE LIFT .345 .345 .340 .340 .340 .340 .340 .340 .333 .331 .330 .326 .319 .260 .260 .260 .260 .260 .260 .260 .260 .260 .260 .260 .255 .252 .252 .252 .242 .237 .237 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .149 .143 .136 .129 .123 .116 .109 .104 .097 .090 .076 .072 .064 .115 .112 .109 .107 .103 .100 .096 .093 .089 .083 .076 .131 .115 .109 .103 .117 .106 .100 106° 106° .136 .129 .123 .116 .109 .103 .096 .091 .083 .077 .064 .059 .053 .102 .099 .096 .093 .090 .086 .083 .080 .076 .070 .063 .119 .103 .096 .090 .105 .094 .088 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .518 .518 .510 .510 .510 .510 .510 .510 .500 .497 .495 .489 .479 .390 .390 .390 .390 .390 .390 .390 .390 .390 .390 .390 .383 .378 .378 .378 .363 .356 .356 1.5 1.5 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM Continued onpage51 .552 .552 .544 .544 .544 .544 .544 .544 .533 .530 .528 .522 .510 .416 .416 .416 .416 .416 .416 .416 .416 .416 .416 .416 .408 .403 .403 .403 .387 .379 .379 1.6 1.6 .587 .587 .578 .578 .578 .578 .578 .578 .566 .563 .561 .554 .542 .442 .442 .442 .442 .442 .442 .442 .442 .442 .442 .442 .434 .428 .428 .428 .411 .403 .403 1.7 1.7 SOLID FLAT TAPPET 1.7 .442 .442 .442 .442 .442 .442 .452 .452 .452 .452 .452 .452 .452 .452 .452 .452 .452 .464 .464 .466 .466 .466 .473 .468 .481 .481 .481 .481 .481 .481 .481 .481 .481 .481 .481 .481 .481 .490 .490 .490 .493 .500 .503 .510 1.6 .416 .416 .416 .416 .416 .416 .426 .426 .426 .426 .426 .426 .426 .426 .426 .426 .426 .437 .437 .438 .438 .438 .445 .440 .453 .453 .453 .453 .453 .453 .453 .453 .453 .453 .453 .453 .453 .461 .461 .461 .464 .470 .474 .480 Continued on page 52 ROCKER ARM RATIO 1.5 .390 .390 .390 .390 .390 .390 .399 .399 .399 .399 .399 .399 .399 .399 .399 .399 .399 .410 .410 .411 .411 .411 .417 .413 .425 .425 .425 .425 .425 .425 .425 .425 .425 .425 .425 .425 .425 .432 .432 .432 .435 .441 .444 .450 THEORETICAL VALVE LIFT @ "0" LASH LIFT @ "0" VALVE THEORETICAL 110° .109 .112 .115 .121 .127 .133 .076 .090 .093 .096 .102 .110 .116 .120 .123 .129 .135 .108 .121 .124 .127 .130 .131 .140 .064 .077 .084 .090 .097 .107 .113 .123 .131 .132 .136 .139 .125 .109 .116 .122 .100 .108 .121 .046 SOLID FLAT TAPPET SOLID FLAT 106° .121 .124 .127 .133 .139 .144 .089 .103 .106 .109 .115 .122 .129 .132 .135 .141 .147 .121 .134 .137 .140 .143 .144 .152 .078 .091 .098 .104 .110 .121 .127 .136 .144 .145 .149 .151 .136 .123 .130 .136 .113 .121 .134 .058 TAPPET LIFT @ TDC @ LIFT TAPPET .260 .260 .260 .260 .260 .260 .266 .266 .266 .266 .266 .266 .266 .266 .266 .266 .266 .273 .273 .274 .274 .274 .278 .275 .283 .283 .283 .283 .283 .283 .283 .283 .283 .283 .283 .283 .283 .288 .288 .288 .290 .294 .296 .300 LOBE LIFT 151 153 155 158 161 164 134 143 145 146 150 154 159 161 163 167 170 156 165 167 169 170 171 176 135 142 145 148 152 156 161 165 171 173 172 174 159 162 166 169 152 158 167 127 @ .200 258 260 262 266 270 274 238 246 248 250 254 258 262 264 266 270 274 256 264 266 268 270 270 276 230 238 242 246 250 256 260 264 268 270 274 276 272 256 260 264 252 259 267 218 @ .050 DURATION IN DEGREES DURATION Continued 285 287 289 293 297 301 265 273 275 277 281 285 289 291 293 297 301 283 291 292 294 296 297 303 257 265 269 273 276 283 286 290 295 297 301 303 299 283 287 291 279 286 294 244 RATED RATED DURATION 5548 5537 5551 5549 5801 5802 5644 5649 5646 5650 5651 5652 5653 5647 5654 5655 5657 5692 5694 5777 5778 5779 5698 5697 5667 5668 5669 5670 5656 5658 5659 5666 5663 5800 5664 5665 5687 5660 5661 5662 5678 5680 5679 5892 LOBE # .842" Min. Dia. .842" Min. CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .010"-.020" Lash Rated Duration @ Max Area Low Lift Max MI 26.7 (13.0/13.7) MAX AREA LIFT RULEAREA SOLIDS MAX FLAT TAPPET

SOLID MAX SOLIDS AREA LIFTRULE MI 26.7(13.0/13.7) Max Lift Area Low Rated Duration @ Duration Rated .010"-.020" Lash .020" TappetLift CAMSHAFT TYPE .842" Min. Dia. SOLID FLATSOLID TAPPET LOBE # 6244 6243 6242 6241 6249 6240 6246 6239 6238 6237 6236 6278 6235 6257 6234 6232 6231 5814 5813 5893 6200 6199 6198 6197 6196 6195 6194 6193 6192 5715 5714 5713 6174 5681 5784 5783 5686 5685 5684 5683 5682 5738 5677 5676 DURATION RATED 274 270 266 262 304 300 296 294 290 286 282 280 278 276 274 266 262 303 295 252 298 294 290 286 282 278 274 270 266 284 282 280 274 271 299 295 291 287 283 279 275 268 267 263 Continued DURATION INDEGREES @.050 248 244 240 236 278 274 270 268 264 260 256 254 252 250 248 240 236 276 268 226 272 268 264 260 256 252 248 244 240 258 256 254 248 244 272 268 264 260 256 252 248 242 240 236 @.200 160 156 152 149 190 186 182 180 176 172 168 166 164 162 160 152 148 184 176 135 182 178 174 170 166 162 158 154 150 162 160 158 158 151 180 177 170 166 162 158 155 151 147 143 LOBE LIFT .330 .330 .330 .330 .324 .324 .320 .324 .322 .322 .322 .322 .322 .322 .322 .322 .322 .317 .317 .315 .312 .312 .312 .312 .312 .312 .312 .312 .312 .306 .306 .306 .304 .300 .300 .300 .300 .300 .300 .300 .300 .300 .300 .300 TAPPET LIFT@ TDC .109 .102 .095 .088 .162 .155 .148 .145 .138 .131 .124 .120 .116 .113 .109 .095 .088 .143 .143 .070 .151 .144 .137 .130 .123 .116 .109 .102 .095 .123 .119 .116 .109 .102 .152 .145 .136 .130 .123 .116 .109 .097 .095 .088 106° .095 .088 .081 .075 .148 .141 .134 .131 .124 .116 .109 .106 .102 .099 .095 .081 .075 .129 .129 .058 .137 .130 .123 .116 .109 .102 .095 .088 .081 .109 .106 .103 .095 .088 .138 .131 .123 .116 .109 .102 .095 .083 .081 .074 110° THEORETICAL VALVE LIFT@"0"LASH .495 .495 .495 .495 .486 .486 .480 .486 .483 .483 .483 .483 .483 .483 .483 .483 .483 .476 .476 .473 .468 .468 .468 .468 .468 .468 .468 .468 .468 .459 .459 .459 .456 .450 .450 .450 .450 .450 .450 .450 .450 .450 .450 .450 1.5 ROCKER ARM RATIOROCKER ARM Continued onpage53 .528 .528 .528 .528 .518 .518 .512 .518 .515 .515 .515 .515 .515 .515 .515 .515 .515 .507 .507 .504 .499 .499 .499 .499 .499 .499 .499 .499 .499 .490 .490 .490 .486 .480 .480 .480 .480 .480 .480 .480 .480 .480 .480 .480 1.6 .561 .561 .561 .561 .551 .551 .544 .551 .547 .547 .547 .547 .547 .547 .547 .547 .547 .539 .539 .536 .530 .530 .530 .530 .530 .530 .530 .530 .530 .520 .520 .520 .517 .510 .510 .510 .510 .510 .510 .510 .510 .510 .510 .510 1.7 SOLID FLAT TAPPET 1.7 1.8 .561 .561 .561 .561 .561 .561 .561 .561 .561 .561 .454 .454 .621 .621 .471 .471 .657 .657 1.6 1.7 .528 .528 .528 .528 .528 .528 .528 .528 .528 .528 .427 .427 .587 .587 .443 .443 .621 .621 ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.6 .495 .495 .495 .495 .495 .495 .495 .495 .495 .495 .401 .401 .552 .552 .416 .416 .584 .584 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH LIFT @ "0" VALVE THEORETICAL 110° 110° .099 .102 .109 .116 .120 .124 .127 .131 .138 .145 .111 .113 .110 .116 .122 .124 .121 .128 SOLID FLAT TAPPET SOLID FLAT 106° 106° .113 .116 .124 .132 .134 .138 .141 .145 .152 .159 .124 .125 .123 .130 .135 .136 .134 .141 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC @ LIFT TAPPET .330 .330 .330 .330 .330 .330 .330 .330 .330 .330 .267 .267 .345 .345 .277 .277 .365 .365 LOBE LIFT LOBE LIFT 162 164 167 170 174 176 178 180 184 188 157 157 166 170 164 166 174 178 @ .200 @ .200 250 252 256 260 262 264 266 268 272 276 263 266 262 266 269 272 268 272 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION Continued 276 278 282 286 288 290 292 294 298 302 294 298 294 298 300 305 301 305 RATED RATED RATED RATED DURATION DURATION 6294 6245 6247 6229 6228 6227 6230 6224 6226 6225 5854 5840 5538 5540 5862 5846 5544 5546 LOBE # LOBE # USI USX .842" Min. Dia. .842" Min. CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .010"-.020" Lash Rated Duration @ Rated Duration @ Rated Duration @ Max Area Low Lift Max MI 26.7 (13.0/13.7) MI 32.4 (15.7/16.7) MI 32.6 (15.8/16.8) USI USX UPI UPX STOCKER FLAT SOLIDS USI USX UPI UPX STOCKER FLAT These are designs for high RPM stocker applications. MAX AREA LIFT RULEAREA SOLIDS MAX SOLID FLAT TAPPET

MH SOLIDS MH Solids are the most aggressive .842" solid lifter profiles available. These are best in restricted applications where maximum torque and power are required and valve train rules are open except for requiring .842" flat tappets. The COMP Cams® #26094 valve spring, 3/8" minimum pushrod diameters, Hi-Tech™ late oiling tappets and shaft mounted rockers are all highly recommended. Please consult with a COMP Cams® CAM HELP® technician or one of our Engine Builder Sales personnel before using these profiles to reduce the risk from improper component selection.NOTE: Cams using these lobes should have provisions for increased oiling. Please consult with our tech representative.

FLAT TAPPET FLAT THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 6252 262 236 149 .345 .088 .075 .518 .552 .587

SOLID 6286 264 238 151 .348 .092 .078 .522 .557 .592 6253 266 240 153 .350 .095 .081 .525 .560 .595 6289 268 242 155 .354 .099 .085 .531 .566 .602 6282 270 244 157 .357 .102 .088 .536 .571 .607 MH 6251 272 246 159 .360 .106 .092 .540 .576 .612 Rated Duration @ .020" Tappet Lift 6281 274 248 161 .362 .109 .095 .543 .579 .615 .842" Min. Dia. 6250 276 250 163 .365 .113 .099 .548 .584 .621 .018" Lash 6280 278 252 165 .367 .116 .102 .551 .587 .624 MI 25.6 (12.3/13.3) 6254 280 254 167 .368 .120 .106 .552 .589 .626 6283 282 256 169 .370 .124 .109 .555 .592 .629 6284 284 258 171 .372 .127 .113 .558 .595 .632 6255 286 260 173 .375 .131 .116 .563 .600 .638 6285 288 262 175 .377 .134 .120 .566 .603 .641 6256 290 264 177 .380 .138 .124 .570 .608 .646

GRI SOLIDS The GRI Series .842" solid lifter profiles are designed using the latest techniques to fill in the gap between the XTQ and MH families while providing better dynamics than either other design. These should be used only on nitrided camshafts. Also, the mating lifters should be inspected and sorted by the chamfer with only small chamfer lifters used on these designs. Please consult with a COMP Cams® CAM HELP® technician or one of our Engine Builder Sales personnel before using these profiles to reduce the risk from improper component selection. Note: Cams using these lobes should have provisions for increased oiling. Please consult with our tech representative.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 16200 265 238 150 .346 .091 .078 .519 .554 .588 16202 269 242 154 .353 .098 .084 .530 .565 .600 16203 271 244 156 .357 .102 .088 .536 .571 .607 16204 273 246 158 .360 .105 .091 .540 .576 .612 16206 277 250 162 .367 .112 .098 .551 .587 .624 GRI 16208 281 254 166 .373 .119 .105 .560 .597 .634 Rated Duration @ 16210 285 258 170 .379 .126 .112 .569 .606 .644 .020" Tappet Lift 16212 289 262 174 .385 .133 .119 .578 .616 .655 MI 27.1 (13.1/14.0) 16214 293 266 178 .391 .140 .126 .587 .626 .665 16216 297 270 182 .397 .147 .133 .596 .635 .675 16218 301 274 186 .403 .154 .140 .605 .645 .685 16220 305 278 190 .409 .161 .147 .614 .654 .695 16222 309 282 194 .415 .168 .154 .623 .664 .706 16188 281 254 166 .360 .119 .105 .540 .576 .612 SOLID FLAT TAPPET SOLID MEM SOLIDS The MEM Series .842" solid lifter profiles were designed for the first Engine Masters competition. May work on minimum chamfer .842" lifters for a short period of time but would be much safer on .875" tappets. 1.948" minimum journal diameter. Nitriding and increased oiling are highly recommended. FLAT TAPPET THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 6780 262 237 152 .363 .092 .078 .545 .581 .617 MEM Rated Duration @ 6782 266 241 156 .369 .099 .085 .554 .590 .627 .020" Tappet Lift 6784 270 245 160 .375 .106 .092 .563 .600 .638 6786 274 249 164 .381 .113 .099 .572 .610 .648 MI 25.5 (12.4/13.1) 6788 278 253 168 .387 .120 .106 .581 .619 .658 MHF SOLIDS MHF Solids are similar to the MH Series but have even more velocity and more area to take complete advantage of the larger .875" Ford lifter. Please consult with a COMP Cams® CAM HELP® technician or one of our Engine Builder Sales personnel before using these profiles to reduce the risk from improper com- ponent selection. NOTE: Cams using these lobes should have provisions for increased oiling. Please consult with our tech representative.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 7393 260 234 150 .355 .085 .071 .533 .568 .604 7394 262 236 152 .357 .089 .075 .536 .571 .607 7395 264 238 154 .359 .093 .078 .539 .574 .610 7404 266 240 156 .361 .096 .082 .542 .578 .614 MHF 7405 268 242 158 .362 .100 .085 .543 .579 .615 Rated Duration @ 7406 270 244 160 .364 .104 .089 .546 .582 .619 .020" Tappet Lift 7408 274 248 164 .369 .111 .096 .554 .590 .627 .875" Min. Dia. .018" Lash 7409 278 252 168 .373 .118 .104 .560 .597 .634 7411 282 256 172 .380 .126 .111 .570 .608 .646 MI 25.6 (12.4/13.2) 7412 286 260 176 .385 .133 .118 .578 .616 .655 7413 290 264 180 .390 .141 .126 .585 .624 .663 7414 294 268 184 .395 .148 .133 .593 .632 .672 7415 296 270 186 .397 .152 .137 .596 .635 .675 7416 298 272 188 .400 .156 .141 .600 .640 .680 FLAT TAPPET

Note: provisionsforincreasedoiling. Camsusingtheselobesshouldhave Pleaseconsultwithourtechrepresentative. train components. faster opening ramps and can be used on intake orexhaust. Intake designs have symmetric ramps and are smoother. Exhaust designs have Designed toturnhighenginespeedwhilemaintainingcontrolofthevalve. Mustuse.875"diameterlifter. For usewith 1.65to1.7+rockerarms. Easyonvalve HIGH RPMDASH12SOLIDS SOLID for increasedoiling. Pleaseconsultwithourtechrepresentative. withincreasedspringloads.larger cousinsoftheFLseriesandcanbeusedinhigherRPMapplications Note: provisions Camsusingtheselobesshouldhave with1.65:1to1.75:1rockerarms.Excellent inrestrictedapplications IncreasedvalvespringloadsarerecommendedforhigherRPM. The SQdesignsarethe withan.875"tappet.The FLSeriesisdesignedtoprovideexcellentareaunderthecurve These workwellinplaceof TLs where.875"lifterscanbeused. FL &SQSOLIDS High RPMDash12Exh. High RPMDash12Int. MI 37.0(18.5/18.5) MI 35.0(16.5/18.5) MI 29.2(14.6/14.6) MI 29.2(14.6/14.6) Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE .875" Min. Dia. .875" Min. Dia. .875" Min. Dia. .875" Min. Dia. SQ .875" FL .875" SOLID FLATSOLID TAPPET LOBE # LOBE # 7172 7171 7174 7170 7169 7159 7158 7168 7166 7165 7164 7163 7162 7161 7160 7134 7133 7132 7131 7130 7267 7266 7265 7261 7263 7260 7262 7250 DURATION DURATION 322-12 320-12 318-11 316-12 312-11 318-12 314-12 312-12 308-12 306-12 304-12 302-12 300-12 296-12 292-12 FL284 FL280 FL276 FL272 FL268 RATED RATED 304 302 300 297 295 293 291 289 DURATION INDEGREES DURATION INDEGREES @.050 @.050 286 284 282 280 276 284 280 278 274 272 270 268 266 262 258 254 251 247 243 239 274 272 270 268 266 264 262 260 @.200 @.200 194 192 190 188 184 194 190 188 183 182 180 179 176 171 168 169 165 161 157 153 189 187 185 183 181 179 177 175 LOBE LIFT LOBE LIFT .410 .410 .410 .408 .400 .410 .410 .408 .400 .400 .395 .395 .390 .380 .375 .381 .371 .366 .361 .356 .400 .400 .400 .400 .390 .390 .385 .385 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .167 .163 .159 .155 .148 .164 .156 .153 .145 .142 .138 .134 .130 .128 .120 .120 .113 .106 .098 .091 .158 .154 .150 .146 .142 .138 .135 .132 106° 106° .152 .148 .145 .141 .134 .149 .142 .138 .130 .127 .123 .119 .116 .113 .106 .106 .098 .091 .084 .078 .143 .139 .135 .131 .127 .123 .120 .117 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .615 .615 .615 .612 .600 .615 .615 .612 .600 .600 .593 .593 .585 .570 .563 .572 .557 .549 .542 .534 .600 .600 .600 .600 .585 .585 .578 .578 1.5 1.5 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .656 .656 .656 .653 .640 .656 .656 .653 .640 .640 .632 .632 .624 .608 .600 .610 .594 .586 .578 .570 .640 .640 .640 .640 .624 .624 .616 .616 1.6 1.6 .697 .697 .697 .694 .680 .697 .697 .694 .680 .680 .672 .672 .663 .646 .638 .648 .631 .622 .614 .605 .680 .680 .680 .680 .663 .663 .655 .655 1.7 1.7 SOLID FLAT TAPPET ROCKER ARM RATIO ROCKER ARM RATIO THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID FLAT TAPPET SOLID FLAT 106° 110° 1.6 1.7 1.8 106° 110° 1.6 1.7 1.8 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET LOBE LIFT LOBE LIFT @ .050 @ .200 @ .050 @ .200 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION RATED RATED RATED RATED DURATION DURATION 91589159 3149160 3169161 3189162 283 320 285 322 287 194 289 196 291 198 .410 200 .412 .166 202 .414 .170 .416 .151 .174 .418 .155 .178 .656 .159 .182 .659 .163 .697 .662 .167 .700 .666 .738 .704 .669 .742 .707 .745 .711 .749 .752 71859185 310-137186 3109186 276 312-137187 3129187 276 278 186 314-137188 3149188 278 186 280 188 .392 316-137189 3169189 280 188 282 .402 .151 190 .394 318-137190 3189190 282 .151 190 284 .404 .136 .155 192 .396 320-137191 3209191 284 .136 .155 192 .627 286 .406 .140 .159 194 .398 322-137192 3229192 .643 286 .140 .666 .159 .630 194 288 .408 .144 .163 196 .400 324-137193 324 .6839193 .646 288 .706 .144 .670 .163 .634 196 290 .410 .148 .166 198 .402 326-137194 .724 326 .6879194 .650 290 .709 .148 .673 .166 .637 198 292 .412 .151 .170 200 .403 328-137015 .727 328 .6909195 .653 292 .713 .151 .677 .170 .640 200 294 .414 .155 .174 202 .404 330-137016 .731 330 .694 .656 294 .716 .155 .680 .174 .643 202 296 .416 .159 .178 204 .405 332-13 .734 .697 .659 296 .720 .159 .683 .178 .645 204 298 .418 .163 .182 206 .406 .738 .700 .662 .724 .163 .685 .182 .646 206 .420 .167 .186 208 .407 .742 .704 .666 .725 .167 .687 .186 .648 .422 .171 .189 .408 .745 .707 .669 .727 .171 .689 .189 .650 .174 .193 .749 .711 .672 .729 .174 .690 .651 .178 .752 .714 .675 .731 .692 .653 .756 .717 .733 .694 .760 .734 LOBE # LOBE # F3 Exh. Dash 13 .875" Min. Dia. .875" Min. .875" Min. Dia. .875" Min. CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ MI 31.9 (15.0/16.9) MI 33.8 (16.6/16.9) The F3 Exhaust Solids are like the Dash 13 high lift lobes, but they have a faster opening ramp design to help increase torque while increasing opening area to The F3 Exhaust Solids are like the Dash 13 high lift lobes, NOTE: Cams using these lobes should have increased oiling. provisions for reduce pumping losses. F3 EXHAUST SOLIDS Dash 13 Solids are very similar to both the Dash 12 and XX open designs. These provide a more modern, in-between series thatseries in-between ratio rocker more can handle modern, more a provide These veryare Solids 13 Dash open designs. 12 and XX Dash the both to similar lobes should have Cams using these provisions for increased oiling. Note: families. than either of the two earlier DASH 13 SOLIDS DASH 13 FLAT TAPPET

with ourtechrepresentative. Best whenusedwithCOMP®HTLLiftersand1.6-1.7rockerratios. Note: provisionsforincreasedoiling. Camsusingtheselobesshouldhave Pleaseconsult ponents. Bothrequireproperspringselectionandregularmaintenance. curves. criticalwiththeselobedesigns.Very goodhorsepower Properbreak-inisvery aggressive.The smaller Restricted Designs are very The larger Open Designs are for continuous high RPM, com - providing stability over 8500 with good related XX SOLIDS SOLID tappets.D3C SolidsareliketheDash13designsbutwithslightlylessvelocityforcoated D3C SOLIDS MI 32.7(16.4/16.4) MI 30.0(13.6/16.4) MI 33.8(16.6/16.9) Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE .875" Min. Dia. .875" Min. Dia. .875" Min. Dia. Open Designs D3C XX SOLID FLATSOLID TAPPET LOBE # LOBE # 7135 7127 7078 7077 7125 7075 7074 7073 7072 7071 7069 7068 7117 7118 7116 7136 7115 7114 7113 7110 9389 9388 9387 9386 9385 9384 DURATION DURATION 320XX 316XX 314XX 312XX 310XX 308XX 306XX 304XX 302XX 300XX 296XX 292XX 298XX 294XX 288XX 286XX 284XX 282XX 280XX 278XX RATED RATED 322 320 318 316 314 312 DURATION INDEGREES DURATION INDEGREES @.050 @.050 288 284 282 280 278 276 274 272 270 268 264 260 266 262 258 256 254 250 248 246 288 286 284 282 280 278 @.200 @.200 200 196 193 191 190 186 184 182 180 178 174 170 180 175 170 168 166 162 160 159 197 195 193 191 189 187 LOBE LIFT LOBE LIFT .420 .420 .418 .415 .415 .410 .408 .406 .403 .400 .395 .390 .400 .390 .380 .378 .366 .370 .365 .365 .400 .398 .396 .394 .392 .390 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .177 .169 .165 .161 .158 .153 .148 .145 .141 .139 .133 .124 .137 .129 .120 .118 .114 .106 .103 .102 .173 .169 .166 .162 .158 .154 106° 106° .154 .146 .150 .143 .139 .133 .131 .126 .124 .122 .119 .110 .122 .115 .107 .104 .100 .092 .090 .088 .158 .155 .151 .147 .144 .140 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .630 .630 .627 .623 .623 .615 .612 .609 .605 .600 .593 .585 .600 .585 .570 .567 .549 .555 .548 .548 .640 .637 .634 .630 .627 .624 1.6 1.5 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .672 .672 .669 .664 .664 .656 .653 .650 .645 .640 .632 .624 .640 .624 .608 .605 .586 .592 .584 .584 .680 .677 .673 .670 .666 .663 1.7 1.6 .714 .714 .711 .706 .706 .697 .694 .690 .685 .680 .672 .663 .680 .663 .646 .643 .622 .629 .621 .621 .720 .716 .713 .709 .706 .702 1.8 1.7 SOLID FLAT TAPPET 2.1 2.1 .697 .704 .710 .718 .725 .725 .725 .725 .725 .725 .725 .725 .725 .725 .683 .683 .683 .704 .704 .704 .704 .714 .714 .735 .746 .756 2.0 2.0 .664 .670 .676 .684 .690 .690 .690 .690 .690 .690 .690 .690 .690 .690 .650 .650 .650 .670 .670 .670 .670 .680 .680 .700 .710 .720 ROCKER ARM RATIO ROCKER ARM RATIO 1.9 1.9 .631 .637 .642 .650 .656 .656 .656 .656 .656 .656 .656 .656 .656 .656 .618 .618 .618 .637 .637 .637 .637 .646 .646 .665 .675 .684 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL 110° 110° .063 .076 .080 .083 .087 .090 .093 .097 .100 .104 .108 .111 .115 .118 .063 .069 .075 .078 .081 .084 .087 .090 .094 .100 .111 .121 SOLID FLAT TAPPET SOLID FLAT 106° 106° .087 .090 .093 .097 .101 .104 .108 .111 .115 .119 .122 .126 .129 .133 .075 .081 .087 .090 .094 .097 .100 .104 .107 .114 .125 .136 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .332 .335 .338 .342 .345 .345 .345 .345 .345 .345 .345 .345 .345 .345 .325 .325 .325 .335 .335 .335 .335 .340 .340 .350 .355 .360 LOBE LIFT LOBE LIFT 148 150 152 154 157 158 160 162 164 166 167 169 170 172 141 144 146 149 152 153 154 157 158 163 169 175 @ .200 @ .200 236 238 240 242 244 246 248 250 252 254 256 258 260 262 230 234 238 240 242 244 246 248 250 254 260 266 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 266 268 270 272 274 276 278 280 282 284 286 288 290 292 261 265 270 272 274 276 278 280 282 286 292 298 RATED RATED RATED RATED DURATION DURATION 7353 7354 7355 7356 7357 7358 7359 7362 7363 7364 7365 7366 7367 7368 7380 7381 7382 7388 7383 7386 7384 7387 7385 7389 7396 7399 LOBE # LOBE # .875" Min. Dia. .875" Min. .875" Min. Dia. .875" Min. CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ High Rocker Ratio MI 29.9 (14.6/15.3) MI 32.3 (15.7/16.6) High Rocker Ratio II Specially designed for NASCAR Sprint Cup restrictor plate engines. Use with 2.0:1 intake rocker and 1.9:1 exhaust along with a COMP Cams® #927 valve Use with 2.0:1 intake rocker and 1.9:1 exhaust along with a COMP Cams® plateSpecially designed for NASCAR Sprint Cup restrictor engines. More aggressive design but still very than earlier 2.0:1 easy on valve train parts. spring. HIGH ROCKER RATIO II SOLIDS HIGH ROCKER RATIO Specially designed for NASCAR Sprint Cup restrictor plate engines. Use with 2.0:1 intake rocker and 1.9:1 exhaust along with a COMP Cams® #927 valve exhaust along with a intake rocker and 1.9:1 Use with 2.0:1 Cup restrictor plate for NASCAR Sprint Specially designed engines. Please using these lobes should have Cams oiling. provisions for increased Note: smooth for 2.0:1 design and veryVery other valve train parts. easy on spring. consult with our tech representative. HIGH ROCKER RATIO SOLIDS RATIO HIGH ROCKER FLAT TAPPET

pression usedintoday’s NASCARSprintCupengines. For usewith1.7to1.8:1rockers(ormoreinqualifying). RequiresthesamecareasN-1forbreak-in. beenoptimizedforthehigherrockerratios, theirdesign basedontheeverpopularN-1seriesbuthave These com- profiles have tighter lashsettingsand lower OVAL+ SOLIDS SOLID carefulbreak-in.with very springs andpropervalvetrainselection. torquethanXXseries. withslightlylesslow-end Excellenthighendpower andtruelifterbores Needs.875"HTLtappet Our mostpopularNASCARSprintCupdesigns, andreliability. theseprovideexcellentpower highRPM(9400+) withCOMPCams®#927valve Very stableat N SOLIDS MI 38.7(20.6/18.1) MI 31.8(15.0/16.8) MI 32.5(15.6/16.9) Rated Duration @ Duration Rated @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE .875" Min. Dia. .875" Min. Dia. .875" Min. Dia. Oval+ N N SOLID FLATSOLID TAPPET LOBE # LOBE # 7124 7123 7122 7121 7120 7087 7086 7085 7084 7023 7028 7022 7021 7020 7049 7044 7043 7042 7041 7040 7039 7038 7037 DURATION DURATION 318N-1E 314N-1E 310N-1E 308N-1E 304N-3E 312N-1 310N-1 308N-1 306N-1 304N-1 302N-1 300N-1 298N-2 294N-1 RATED RATED 315 313 311 309 307 305 303 301 299 DURATION INDEGREES DURATION INDEGREES @.050 @.050 280 276 271 270 266 280 278 276 274 272 270 268 266 262 282 280 278 276 274 272 270 268 266 @.200 @.200 186 183 178 179 174 191 189 187 186 183 181 173 176 174 193 191 189 187 185 183 181 179 177 LOBE LIFT LOBE LIFT .405 .400 .390 .400 .390 .411 .411 .411 .411 .412 .410 .406 .410 .401 .415 .413 .411 .409 .407 .405 .403 .401 .399 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .149 .145 .137 .133 .128 .161 .158 .155 .151 .147 .143 .132 .134 .129 .165 .162 .158 .154 .151 .147 .143 .140 .136 106° 106° .135 .131 .123 .119 .114 .147 .143 .141 .136 .132 .128 .121 .120 .115 .151 .147 .143 .140 .136 .132 .128 .125 .122 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .608 .600 .585 .600 .585 .617 .617 .617 .617 .618 .615 .609 .615 .602 .706 .702 .699 .695 .692 .689 .685 .682 .678 1.5 1.7 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .648 .640 .624 .640 .624 .658 .658 .658 .658 .659 .656 .650 .656 .642 .726 .723 .719 .716 .712 .709 .705 .702 .698 1.75 1.6 .689 .680 .663 .680 .663 .699 .699 .699 .699 .700 .697 .690 .697 .682 .747 .743 .740 .736 .733 .729 .725 .722 .718 1.7 1.8 SOLID FLAT TAPPET 1.8 2.1 2.0 .788 .792 .796 .800 .804 .808 .812 .816 .820 .824 .828 .716 .720 .724 .729 .734 .740 .743 .806 .811 .815 .819 2.0 1.9 1.75 .749 .752 .756 .760 .764 .768 .771 .775 .779 .783 .787 .697 .700 .704 .709 .714 .719 .723 .768 .772 .776 .780 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.7 1.9 1.8 .709 .713 .716 .720 .724 .727 .731 .734 .738 .742 .745 .677 .680 .683 .689 .694 .699 .702 .730 .733 .737 .741 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL 110° 110° 110° .128 .131 .135 .139 .142 .146 .150 .153 .157 .161 .164 .123 .127 .130 .134 .137 .141 .145 .120 .124 .127 .131 SOLID FLAT TAPPET SOLID FLAT 106° 106° 106° .142 .146 .150 .153 .157 .161 .164 .168 .172 .176 .179 .138 .141 .145 .149 .153 .156 .159 .134 .138 .142 .145 TAPPET LIFT @ TDC LIFT @ TAPPET TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .394 .396 .398 .400 .402 .404 .406 .408 .410 .412 .414 .398 .400 .402 .405 .408 .411 .413 .384 .386 .388 .390 LOBE LIFT LOBE LIFT LOBE LIFT 181 183 185 187 189 191 193 195 197 199 201 178 180 182 184 186 188 190 176 178 180 182 @ .200 @ .200 @ .200 270 272 274 276 278 280 282 284 286 288 290 267 269 271 273 275 277 279 266 268 270 272 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 303 305 307 309 311 313 315 317 319 321 323 299 301 303 305 307 309 311 297 299 301 303 RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION 9360 9361 9362 9363 9364 9365 9366 9367 9368 9369 9370 7665 7666 7667 7668 7669 7670 7671 9374 9375 9376 9377 LOBE # LOBE # LOBE # TDLC FE .875" .875" Min. Dia. .875" Min. .875" Min. Dia. .875" Min. .875" Min. Dia. .875" Min. CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ MI 32.6 (15.7/16.9) MI 32.0 (15.0/17.0) MI 31.8 (15.5/16.3) T1N High RPM .875" Flat The T1N series is the next step in the evolution of the N1, Oval+ and FE series. These are optimized for use on tool steel cams and work very well with the Oval+ and FE series. of the N1, T1N series is the next step in the evolution The T1N profiles have been used very successfully on both the intake and exhaust side. popular DLC tappet coatings. T1N − VERY HIGH RPM .875" FLAT HIGH RPM .875" FLAT VERY T1N − TDLC SOLIDS TDLC Solids are a cross between the Oval+ and FE designs but with lower velocity for use with coated tappets. The These profiles have their design based on the ever popular N-1 series but have been optimized for the higher rocker ratios, tighter lash settings and lower settings and lash tighter profiles have com- These series but have on the ever popular N-1 based design their higher rocker ratios, been optimized for the same care as the N-1 for break-in. Requires the (or more in qualifying). use with 1.7 to 1.8:1 rockers For Sprint Cup engines. NASCAR pression used in today’s FE .875" SOLIDS FE .875" FLAT TAPPET

DIR 2.3RATIO CONVERSIONS−.875"FLAT orhigherlift. wear. eitherlessratio withlessthan55mmjournalswillresultinasmallnoseradiusandpremature journal familiestoallow Useinapplications The NRXSolidsaredesignedforuseinNASCARSpringCupengineswith55mmorlargerjournals. They aredesigned withhigherlobeliftsthanthestandard NRX SOLIDS SOLID TCT −HIGHRATIO .875"FLAT MI 32.6(15.5/17.1) MI 34.0(16.0/18.0) MI 33.3(16.4/16.9) Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .875" Min. Dia. TCT HighRatio DIR HighLift .875" Flat NRX SOLID FLATSOLID TAPPET LOBE # LOBE # LOBE # 17572 17605 17538 17570 17537 17549 17576 17525 17382 17600 17574 9714 9713 9712 9711 9710 9709 7208 7207 7206 7205 7204 7203 9773 9772 9771 DURATION DURATION DURATION RATED RATED RATED 321 319 317 315 313 311 309 307 305 303 301 299 320 318 314 316 312 314 294 292 294 294 290 302 300 298 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 288 286 284 282 280 278 276 274 272 270 268 266 285 282 282 281 280 279 260 260 260 259 256 269 267 265 @.200 @.200 @.200 201 199 197 195 193 191 189 187 185 183 181 179 189 187 191 185 189 186 169 172 169 167 166 177 175 173 LOBE LIFT LOBE LIFT LOBE LIFT .436 .434 .432 .430 .428 .426 .424 .422 .420 .418 .416 .414 .376 .379 .384 .374 .382 .380 .380 .375 .376 .379 .378 .376 .374 .372 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .181 .177 .174 .170 .166 .162 .158 .155 .151 .147 .143 .139 .159 .156 .162 .153 .158 .154 .122 .126 .121 .119 .115 .137 .133 .130 106° 106° 106° .166 .162 .158 .155 .151 .147 .143 .139 .136 .132 .128 .124 .146 .142 .147 .139 .144 .140 .108 .112 .108 .105 .101 .123 .119 .116 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .741 .738 .734 .731 .728 .724 .721 .717 .714 .711 .707 .704 .827 .834 .845 .823 .840 .836 .836 .825 .827 .834 .832 .752 .748 .744 2.20 1.7 2.0 ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .763 .760 .756 .753 .749 .746 .742 .739 .735 .732 .728 .725 .865 .872 .883 .860 .879 .874 .874 .863 .865 .872 .869 .790 .785 .781 1.75 2.30 2.1 .785 .781 .778 .774 .770 .767 .763 .760 .756 .752 .749 .745 .902 .910 .922 .898 .917 .912 .912 .900 .902 .910 .907 .827 .823 .818 2.40 1.8 2.2 SOLID FLAT TAPPET 2.2 2.4 2.2 2.2 .779 .783 .788 .792 .796 .735 .739 .744 .748 .752 .757 .886 .888 .890 .893 .895 .902 .905 .907 .912 .757 .761 .766 2.1 2.3 2.1 2.1 .743 .748 .752 .756 .760 .701 .706 .710 .714 .718 .722 .849 .851 .853 .856 .858 .865 .867 .869 .874 .722 .727 .731 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 2.0 2.2 2.0 2.0 .708 .712 .716 .720 .724 .668 .672 .676 .680 .684 .688 .812 .814 .816 .818 .821 .827 .829 .832 .836 .688 .692 .696 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH LIFT @ "0" VALVE THEORETICAL 110° 110° 110° 110° .081 .084 .088 .091 .095 .081 .084 .088 .091 .095 .098 .088 .092 .095 .098 .102 .101 .104 .108 .114 .081 .084 .088 SOLID FLAT TAPPET SOLID FLAT 106° 106° 106° 106° .094 .098 .102 .105 .109 .094 .098 .102 .105 .109 .112 .102 .105 .109 .112 .116 .115 .118 .121 .128 .094 .098 .102 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .354 .356 .358 .360 .362 .334 .336 .338 .340 .342 .344 .369 .370 .371 .372 .373 .376 .377 .378 .380 .344 .346 .348 LOBE LIFT LOBE LIFT LOBE LIFT LOBE LIFT 154 156 158 160 162 153 155 157 159 161 163 158 160 162 163 165 165 167 169 173 154 156 158 @ .200 @ .200 @ .200 @ .200 241 243 245 247 249 241 243 245 247 249 251 247 249 251 253 255 256 258 260 264 241 243 245 @ .050 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 270 272 274 276 278 270 272 274 276 278 280 280 282 284 286 288 290 292 294 298 270 272 274 RATED RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION DURATION 9635 9636 9637 9638 9639 9602 9603 9604 9605 9606 9608 9631 9632 9633 17238 17239 17240 17241 17242 17244 17245 17246 17248 LOBE # LOBE # LOBE # LOBE # TDP − LLL BB & GG COT BB & GG COT TDP Flat Plate .875" Min. Dia. .875" Min. .875" Min. Dia. .875" Min. .875" Min. Dia. .875" Min. .875" Min. Dia. .875" Min. .875" Min. Dia. .875" Min. CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE TDP 2 Flat Plate .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ MI 29.6 (14.4/15.2) MI 29.6 (14.4/15.2) MI 33.1 (16.1/17.0) MI 34.1 (16.5/17.6) MI 29.6 (14.4/15.2) TDP FLAT PLATE − LOWER LOBE LIFT − LOWER PLATE TDP FLAT TDP 2 FLAT PLATE PLATE TDP 2 FLAT TDP FLAT PLATE PLATE TDP FLAT BB GG .875" PLATE PLATE BB GG .875" FLAT TAPPET

sions forincreasedoiling. Pleaseconsultwithourtechrepresentative. diameter. diameter. thelargertappet whererulesallow ModelStockapplications goodinLate They are very Note: provi- Camsusingtheselobesshouldhave The MPSeriesusesadesignsimilartothe moreareaduetobeingdesignedwithvelocityfora.904"minimumtappet TL Series exceptthesehave MP SOLIDS for the Top racingprogram, Fueldrag thesedesignsofferexcellenttorqueandhorsepower. diameter. engineswith.904"tappet Corporation These lobesareforuseonlyinChrysler The "Specials"aretobeusedin426c.i. orlargerengines. Developed CHRYSLER SPECIALSOLIDS SOLID HY SERIESFLAT PLATE MI 37.8(16.8/21.0) MI 29.0(14.1/14.9) Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift Chrysler Special Chrysler CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .904" Min. Dia. .875" Min. Dia. .904" Min. Dia. HY Flat Plate HY Flat .018" Lash MP Solids SOLID FLATSOLID TAPPET LOBE # LOBE # LOBE # 6134 6131 6133 6132 6130 6129 9837 9835 9834 9833 9832 9831 9830 9829 6612 6611 6610 DURATION DURATION DURATION 328-10 RATED RATED RATED 335-1 334-1 330-2 330-1 324-7 289 285 283 281 279 277 275 273 288 284 274 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 300 296 292 290 296 290 260 256 254 252 250 248 246 244 256 251 247 @.200 @.200 @.200 207 203 200 200 208 200 175 171 169 167 165 163 161 159 171 166 162 LOBE LIFT LOBE LIFT LOBE LIFT .438 .413 .395 .410 .425 .433 .364 .360 .358 .356 .354 .352 .350 .348 .365 .355 .345 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .193 .186 .175 .170 .193 .176 .133 .125 .121 .118 .114 .110 .107 .103 .123 .115 .108 106° 106° 106° .177 .171 .160 .154 .178 .161 .118 .110 .107 .103 .099 .096 .092 .089 .108 .100 .093 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT @"0"LASH THEORETICAL VALVE LIFT@"0"LASH .657 .620 .592 .615 .638 .650 .728 .720 .716 .712 .708 .704 .700 .696 .548 .533 .518 2.0 1.5 1.5 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM .700 .660 .632 .656 .680 .693 .764 .756 .752 .748 .743 .739 .735 .731 .584 .568 .552 2.1 1.6 1.6 .745 .702 .671 .697 .723 .736 .801 .792 .788 .783 .779 .774 .770 .766 .621 .604 .587 2.2 1.7 1.7 SOLID FLAT TAPPET 1.7 .595 .609 .622 .628 .634 .646 .660 .673 .687 .699 .711 .724 .736 1.6 .560 .573 .586 .591 .597 .608 .621 .634 .646 .658 .669 .682 .693 ROCKER ARM RATIO 1.5 .525 .537 .549 .554 .560 .570 .582 .594 .606 .617 .627 .639 .650 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL 110° .075 .082 .089 .093 .096 .104 .111 .119 .126 .134 .142 .149 .157 SOLID FLAT TAPPET SOLID FLAT 106° .089 .096 .104 .108 .111 .119 .126 .134 .142 .149 .157 .164 .172 TAPPET LIFT @ TDC LIFT @ TAPPET .350 .358 .366 .370 .373 .380 .388 .396 .404 .411 .418 .426 .433 LOBE LIFT 153 157 161 163 165 169 173 177 181 185 189 193 197 @ .200 235 239 243 245 247 251 255 259 263 267 271 275 279 @ .050 DURATION IN DEGREES DURATION 261 265 269 271 273 277 281 285 289 293 297 301 305 RATED RATED DURATION 6580 6581 6582 6579 6583 6584 6585 6586 6587 6588 6589 6590 6591 LOBE # MM .018" Lash .904" Min. Dia. .904" Min. CAMSHAFT TYPE .020" Tappet Lift .020" Tappet Rated Duration @ MI 25.6 (12.3/13.3) MM solids are similar to the MH and MHF Series but have similar to the MH and MM solids are advantage area to take complete more velocity and more even Chrysler/Mopar of the larger .904" risk before using these profiles to reduce the or one of our Engine Builder Sales personnel with a COMP Cams® CAM HELP® technician Please consult lifter. Please consult with our tech representative. lobes should have Cams using these provisions for increased oiling. Note: selection. from improper component MM SOLIDS MM SOLIDS ROLLER

and threeHotRodPower Tours. CoupledwiththeCOMPCams®Endure-X ofmodernracerollerdesigns.with thehighRPMpower Ourdevelopmenttestincluded evaluations, Spintrondynamics testing, enginedyno testing chassisdyno This newestadditiontotheXtremefamilyoflobesdeliversresponsiveness, with COMPCams®Xtremedesignscoupled torqueandreliabilityonlyavailable XTREME ENERGY SOLID becauseoftheopeningandclosing or"throaty" "soundy" rampdesigns. are very Designed specificallyforstreetuse,approach ramps, pressuretoensurelonglife. theseStreetRollersofferunique seat theuseoflower allowing Theselobes HIGH ENERGY High Energy Journal =I,S,B,R… MI 32.0(14.7/17.3) MI 28.9(13.9/15.0) MI 35.0(17.5/17.5) Journal =I,T,S,R… Rated Duration @ Duration Rated Rated Duration @ Duration Rated @ Duration Rated .015" TappetLift .015" TappetLift .015" TappetLift Xtreme Energy Xtreme Energy CAMSHAFT TYPE CAMSHAFT TYPE Standard Ratio Street Roller Street Roller .014"-.018" .014"-.018" Valve Lash Valve Lash Valve Lash High Ratio .020" SOLID ROLLER(A=BASEFORSTDJOURNAL) ™ Street SOLID ROLLER ™ ™ ™ STREETROLLER ™ LOBE # LOBE # STREETROLLER 4861 4860 4859 4858 4879 4857 4878 4856 4877 4853 4876 4852 4875 4854 4874 4855 4873 4851 4872 4850 4871 4870 1496 4002 1498 1474 1476 4220 4221 268HER-2 272HER-2 276HER-2 280HER-2 288HER-4 300HER-2 308HER-4 DURATION DURATION 310XSR 304XSR 298XSR 292XSR 286XSR 280XSR 274XSR 268XSR 262XSR 256XSR RATED RATED 308 300 296 292 288 284 280 274 270 267 265 259 DURATION INDEGREES DURATION INDEGREES @.050 @.050 268 260 256 252 272 248 266 244 260 240 254 234 248 230 242 227 236 225 230 219 224 218 224 228 232 236 244 255 262 @.200 @.200 173 167 164 161 193 155 187 152 181 149 176 144 170 140 164 138 159 136 153 131 147 141 141 144 148 152 158 170 176 ™ RollerLifters, intothenewmillennium. theseprofilesbringstreetrollertechnology LOBE LIFT LOBE LIFT .3500 .3500 .3500 .3666 .3666 .3833 .3833 .346 .346 .346 .346 .404 .335 .398 .335 .392 .335 .388 .330 .384 .330 .380 .330 .376 .330 .368 .330 .360 .360 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .132 .119 .112 .106 .159 .099 .137 .092 .135 .086 .122 .076 .110 .070 .098 .067 .087 .064 .076 .055 .066 .056 .068 .073 .078 .085 .098 .119 .130 106° 106° .118 .105 .099 .092 .143 .085 .130 .079 .118 .053 .106 .064 .094 .058 .083 .055 .072 .053 .062 .045 .053 .045 .056 .061 .066 .072 .084 .104 .115 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .519 .519 .519 .519 .606 .503 .597 .503 .588 .503 .582 .495 .576 .495 .570 .495 .564 .495 .552 .495 .540 .540 .525 .525 .525 .550 .550 .575 .575 1.5 1.5 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .554 .554 .554 .554 .646 .536 .637 .536 .627 .536 .621 .528 .614 .528 .608 .528 .602 .528 .589 .528 .576 .576 .560 .560 .560 .587 .587 .613 .613 1.6 1.6 .588 .588 .588 .588 .687 .570 .677 .570 .666 .570 .660 .561 .653 .561 .646 .561 .639 .561 .626 .561 .612 .612 .595 .595 .595 .623 .623 .652 .652 1.7 1.7 SOLID ROLLER 1.37 1.69 .421 .475 .450 .419 .502 .474 .480 .451 .522 .501 .497 .480 .542 .522 .497 .543 ROCKER ARM RATIO THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° .022 .022 .033 .014 .033 .014 .047 .022 .047 .022 .062 .034 .062 .034 .050 .050 106° 106° .028 .028 .041 .019 .041 .019 .057 .030 .057 .030 .073 .044 .073 .044 .062 .062 TAPPET LIFT @ TDC LIFT @ TAPPET .249 .281 .266 .306 .297 .346 .284 .329 .309 .366 .294 .350 .321 .381 .363 .396 LOBE LIFT 84 95 101 106 110 111 117 119 123 123 129 132 136 135 144 147 @ .200 @ .200 188 188 202 185 202 185 216 197 216 197 228 209 228 209 221 221 @ .050 @ .050 DURATION IN DEGREES DURATION Street Rollers and are optimized for the GM Duramax applications. Intake profiles are designed around Intake profiles a the GM Duramax applications. and are optimized for Street Rollers 254 254 268 246 268 245 282 258 282 257 294 270 297 269 281 281 ™ RATED RATED DURATION 4894 4915 4896 4884 4916 4910 4898 4886 4917 4911 4908 4888 4918 4912 4904 4913 DURAMAX STREET ROLLERS STREET ROLLERS DURAMAX LOBE # ™ ™ ™ Duramax Int. Duramax Exh. CAMSHAFT TYPE Xtreme Energy Xtreme Energy .006" Tappet Lift .006" Tappet .006" Tappet Lift .006" Tappet Rated Duration @ Rated Duration @ MI 32.4 (15.7/16.7) MI 28.4 (13.6/14.8) These lobes are similar to the Xtreme Energyare similar to the Xtreme These lobes XTREME ENERGY XTREME 1.37:1 ratio and exhaust profiles for a 1.69:1 ratio. The exhaust lobes are slightly less aggressive for the Duramax valve train system. These profiles are These profiles lobes are slightly less The exhaust valve train system. aggressive for the Duramax 1.37:1 ratio profiles for a 1.69:1 ratio. and exhaust intakes in order to reduce exhaust pumping losses up in 14° increments compared to 12° for the The exhaust lobes go cold lash. designed for .006" to .010" in higher RPM applications. ROLLER

SOLID High Torque OvalRollerSeriesusedintheearly80s. ofdesignandresearch,A twentyyearculmination aggressive. theselobesrangefromextragentletovery Included inthisgrouparetheHigh Torque Rollerand BASE DESIGNROLLERS Rated Duration @ Duration Rated .020" TappetLift CAMSHAFT TYPE Base Design SOLID ROLLER LOBE # 1392 1619 1639 1659 1394 1630 4087 4062 1469 4025 1486 1620 1658 1628 1617 4244 4066 1479 1613 1612 1611 4242 4059 4035 1609 4000 1677 1466 1473 4034 1465 1464 1462 1460 DURATION RATED 319-3 319-2 329-5 328-1 327-5 325-4 324-2 323-5 322-2 322-1 321-4 320-2 320-1 324-4 316-3 316-2 316-1 312-2 310-2 309-2 308-2 306-2 306-1 305-4 305-3 305-2 302-1 296-2 296-1 295-5 295-3 295-2 286-1 285-2 DURATION INDEGREES @.050 285 285 292 286 290 288 286 287 288 282 284 288 281 287 282 284 276 279 280 276 275 273 270 272 270 272 265 265 260 260 262 262 250 252 @.200 200 202 200 192 204 198 197 202 204 193 196 201 196 201 200 200 186 197 195 196 191 190 186 184 186 186 177 180 173 170 176 174 162 164 LOBE LIFT .460 .456 .440 .413 .460 .440 .454 .460 .458 .427 .440 .434 .450 .423 .454 .433 .413 .425 .545 .420 .452 .416 .400 .394 .418 .366 .395 .400 .393 .394 .390 .366 .392 .375 TAPPET LIFT@ TDC .173 .179 .177 .163 .179 .176 .171 .180 .185 .163 .170 .179 .164 .174 .173 .176 .150 .167 .165 .163 .156 .153 .145 .151 .146 .146 .132 .137 .124 .116 .128 .128 .112 .110 106° .156 .161 .161 .145 .163 .160 .155 .164 .165 .147 .154 .163 .148 .159 .156 .159 .134 .150 .147 .146 .139 .137 .130 .135 .130 .132 .117 .121 .108 .102 .113 .114 .096 .096 110° THEORETICAL VALVE LIFT@"0"LASH .690 .684 .660 .620 .690 .660 .681 .690 .687 .641 .660 .651 .675 .635 .681 .650 .620 .638 .818 .630 .678 .624 .600 .591 .627 .549 .593 .600 .590 .591 .585 .549 .588 .563 1.5 ROCKER ARM RATIOROCKER ARM .736 .730 .704 .661 .736 .704 .726 .736 .733 .683 .704 .694 .720 .677 .726 .693 .661 .680 .872 .672 .723 .666 .640 .630 .669 .586 .632 .640 .629 .630 .624 .586 .627 .600 1.6 .782 .775 .748 .702 .782 .748 .772 .782 .779 .726 .748 .738 .765 .719 .772 .736 .702 .723 .927 .714 .768 .707 .680 .670 .711 .622 .672 .680 .668 .670 .663 .622 .666 .638 1.7 SOLID ROLLER 1.7 1.7 .680 .680 .680 .680 .714 .714 .714 .714 .714 .714 .714 .714 .714 .714 .714 1.6 1.6 .640 .640 .640 .640 .672 .672 .672 .672 .672 .672 .672 .672 .672 .672 .672 ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.5 .600 .600 .600 .600 .630 .630 .630 .630 .630 .630 .630 .630 .630 .630 .630 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL .400" is great for Big Block Chevy, Big BlockBig greatis .400" Chevy, Block Big for SOLID ROLLER SOLID ™ 110° 110° .102 .114 .131 .146 .103 .108 .111 .115 .117 .122 .126 .129 .133 .136 .142 106° 106° .116 .129 .146 .161 .117 .123 .125 .130 .133 .137 .141 .144 .148 .151 .158 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .400 .400 .400 .400 .420 .420 .420 .420 .420 .420 .420 .420 .420 .420 .420 LOBE LIFT LOBE LIFT .420" Exhaust Rollers offer controlled valve opening which promotes torque .420" Exhaust Rollers offer controlled valve opening ™ 167 175 182 190 171 173 175 177 179 180 182 183 185 187 189 @ .200 @ .200 251 259 269 279 256 258 260 262 264 266 268 270 272 274 278 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 288-7 296-7 306-7 316-7 294-6 296-6 298-6 300-6 302-6 304-6 306-6 308-6 310-6 312-6 316-6 RATED RATED RATED RATED DURATION DURATION 1461 4210 4211 4058 4005 4007 4003 4027 4029 4023 4046 4045 4047 4019 4049 LOBE # LOBE # ™ .420" EXHAUST ROLLERS .420" EXHAUST ROLLERS ROLLERS ™ ™ .420" Exh. ™ Hi-Tech CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ MI 36.5 (18.8/17.7) MI 37.0 (18.5/18.5) Hi-Tech Journal = N,S,B,R… over broad ranges. Fords and Clevelands. Due to their lower acceleration rates, these lobe designs are also very well suited for small block, high endurance applications. designs are also very these lobe to their lower Due acceleration block, well suited for small rates, and Clevelands. Fords These designs are used primarily on the exhaust side of the motor. The Hi-Tech side of the motor. These designs are used primarily on the exhaust HI-TECH These designs are typically used with high rocker ratios (1.65-1.75) and efficient cylinder heads. The Hi-Tech The heads. cylinder ratiosrocker high with used typically are designs These efficient and (1.65-1.75) HI-TECH ROLLER the tuningprocess. Small Block Ford in the grinding process, and Big Block Chevy or 50mm sizes to prevent "cam growth" more control over the engine builder to have allowing power. forlongrodmotors.They aregreat withdurabilityisamust. wherepower They arealsopopularinbracketandmarineapplications in Also available These designs are very stable at highenginespeeds. stableat These designsarevery These lobesaretobeusedinmediumlargecubicinchengines. The Hi-Tech .440"aredesignedwithportedcylinder headsinmindandareeasyonsprings. HI-TECH SOLID The Hi-Tech HI-TECH Journal =N,S,B,R… Journal =N,S,B,R… Hi-Tech MI 36.7(19.0/17.7) MI 37.0(18.5/18.5) Hi-Tech Rated Duration @ Duration Rated @ Duration Rated .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE ™ ™ ™ .420"Exh. .440"Int. .420"Rollersareprimarilyusedinovaltrackracingwithgoodcylinder heads. The rampdesignsareeasyonvalvespringsyetproducegood ™ ™ .440"INTAKE ROLLERS .420"ROLLERS SOLID ROLLER LOBE # LOBE # 4082 4081 4080 4079 4078 4077 4119 4076 4032 4031 4030 4028 4016 4026 4018 4024 4020 4022 4015 4017 4013 4008 4009 4006 4004 4001 3207 DURATION DURATION 296-16 RATED RATED 325-6 321-6 317-6 313-6 309-6 305-6 303-6 301-6 318-5 316-5 314-5 312-5 310-5 308-5 306-5 304-5 302-5 300-5 298-5 296-5 294-5 292-5 290-5 288-5 286-5 284-5 DURATION INDEGREES DURATION INDEGREES @.050 @.050 287 284 280 276 272 268 266 264 260 282 280 278 276 274 272 270 268 266 264 262 260 258 256 254 252 250 248 @.200 @.200 198 195 192 189 187 184 183 181 178 195 193 192 190 189 188 186 184 183 181 179 177 175 173 171 169 167 165 LOBE LIFT LOBE LIFT .440 .440 .440 .440 .440 .440 .440 .440 .440 .420 .420 .420 .420 .420 .420 .420 .420 .420 .420 .420 .420 .420 .420 .420 .420 .420 .420 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .173 .168 .161 .157 .153 .147 .144 .141 .132 .170 .166 .163 .160 .157 .154 .150 .146 .143 .140 .136 .131 .127 .123 .119 .116 .112 .108 106° 106° .158 .153 .146 .142 .137 .132 .129 .125 .116 .154 .151 .148 .144 .141 .138 .134 .130 .127 .124 .120 .116 .112 .108 .105 .101 .098 .094 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .660 .660 .660 .660 .660 .660 .660 .660 .660 .630 .630 .630 .630 .630 .630 .630 .630 .630 .630 .630 .630 .630 .630 .630 .630 .630 .630 1.5 1.5 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .704 .704 .704 .704 .704 .704 .704 .704 .704 .672 .672 .672 .672 .672 .672 .672 .672 .672 .672 .672 .672 .672 .672 .672 .672 .672 .672 1.6 1.6 .748 .748 .748 .748 .748 .748 .748 .748 .748 .714 .714 .714 .714 .714 .714 .714 .714 .714 .714 .714 .714 .714 .714 .714 .714 .714 .714 1.7 1.7 SOLID ROLLER 2.0 1.7 1.7 .714 .714 .714 .714 .828 .828 .828 .828 .832 .836 .782 .782 .782 1.9 1.6 1.6 .672 .672 .672 .672 .787 .787 .787 .787 .790 .794 .736 .736 .736 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.8 1.5 1.5 .630 .630 .630 .630 .745 .745 .745 .745 .749 .752 .690 .690 .690 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° 110° .152 .156 .156 .161 .119 .127 .131 .135 .139 .143 .163 .169 .176 106° 106° 106° .165 .173 .172 .177 .136 .143 .147 .151 .155 .160 .180 .185 .192 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .420 .420 .420 .420 .414 .414 .414 .414 .416 .418 .460 .460 .460 LOBE LIFT LOBE LIFT LOBE LIFT 192 194 197 200 182 186 188 189 191 193 200 202 205 @ .200 @ .200 @ .200 275 279 283 288 266 270 272 274 276 278 285 287 290 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 298 302 304 306 308 310 307-4 311-4 317-2 323-6 319-7 323-7 327-7 RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION 1660 1480 4070 4065 4480 4482 4483 4484 4485 4486 1393 4075 1395 LOBE # LOBE # LOBE # Super Stock CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ High Torque .460" High Torque MI 34.3 (14.8/19.5) MI 32.0 (14.7/17.3) MI 32.6 (16.3/16.3) Journal = S,B,F,R… Journal = N,S,B,R… Journal = N,S,B,R… High Ratio-High RPM High Torque .420" Exh. .420" Torque High HIGH RATIO - HIGH RPM SUPER STOCK ROLLERS - HIGH RPM SUPER STOCK HIGH RATIO Optimized Stock NHRA Super RPM performance in are designed to increase high profiles These applications rocker arm. 2.0:1+ when coupled with a 1.8:1 to heads. for the higher RPM capability of the latest Super Stock cylinder HIGH TORQUE .460" ROLLERS HIGH .440" Torque They are less aggressive than the High .460" series is primarily used in drag racing applications with or without ported heads. Torque The High designs. The High Torque .420" Exhaust series is primarily used in drag .420" Exhaust series is applications racing of rocker ratios. can be used with a variety ported heads and with or without Torque The High HIGH TORQUE .420" EXHAUST ROLLERS ROLLERS .420" EXHAUST TORQUE HIGH ROLLER exhaust side of many applications, arelarger displacementorhigherenginespeedsthanwheretheoriginalNCdesignswouldbeused. exhaust sideofmany especiallythosethat similartotheoriginalNCseries but usesasmoother-6styleclosingThe NSCseriesisvery ramp. This fastopen, closing well onthe slower designworksvery NSC ROLLERS openingsideoftheRTDesigned withaggressive Serieslobesandtheeasierclosing oftheeverpopularHi-Tech rate NC ROLLERS SOLID engine speed, stabilityanddurability. This fastopen, applications. closing wellontheexhaustsideofmany slower designworksvery Journal =N,S,B,R… Journal =S,B,F,R… MI 33.0(14.4/18.6) MI 32.0(14.5/17.5) Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE NSC NC SOLID ROLLER LOBE # LOBE # 4148 4143 4146 4166 4144 4165 4147 4164 4145 4160 4149 4162 4153 4168 4150 4167 4152 4163 4151 DURATION DURATION RATED RATED 304 302 300 323 298 321 296 319 295 317 292 315 290 313 288 311 286 309 284 DURATION INDEGREES DURATION INDEGREES @.050 @.050 272 270 268 290 266 288 264 286 262 284 260 282 258 280 256 278 254 276 252 @.200 @.200 192 190 187 207 185 205 183 203 183 201 181 200 178 198 177 196 173 195 172 LOBE LIFT LOBE LIFT .430 .430 .430 .440 .425 .440 .421 .440 .421 .440 .421 .440 .415 .440 .415 .440 .405 .440 .405 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .158 .153 .146 .193 .143 .189 .140 .185 .138 .181 .131 .178 .125 .174 .123 .170 .117 .167 .115 106° 106° .141 .136 .130 .177 .127 .173 .123 .169 .122 .165 .114 .162 .109 .158 .107 .154 .101 .150 .099 110° 110° ™ THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH -5series, good theNCseriesallows .645 .645 .645 .660 .638 .660 .632 .660 .632 .660 .632 .660 .623 .660 .623 .660 .608 .660 .608 1.5 1.5 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .688 .688 .688 .704 .680 .704 .674 .704 .674 .704 .674 .704 .664 .704 .664 .704 .648 .704 .648 1.6 1.6 .731 .731 .731 .748 .723 .748 .716 .748 .716 .748 .716 .748 .706 .748 .706 .748 .689 .748 .689 1.7 1.7 SOLID ROLLER 1.7 1.7 .629 .629 .663 .629 .680 .663 .629 .680 .638 .680 .646 .680 .655 .646 .714 .646 .728 .731 .731 .734 .736 .738 .740 .741 .743 .745 .746 .748 .750 .751 .755 .758 1.6 1.6 .592 .592 .624 .592 .640 .624 .592 .640 .600 .640 .608 .640 .616 .608 .672 .608 .685 .688 .688 .691 .693 .694 .696 .698 .699 .701 .702 .704 .706 .707 .710 .714 ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.5 .555 .555 .585 .555 .600 .585 .555 .600 .563 .600 .570 .600 .578 .570 .630 .570 .642 .645 .645 .648 .650 .651 .653 .654 .656 .657 .659 .660 .662 .663 .666 .669 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° .089 .096 .099 .103 .103 .106 .110 .110 .113 .118 .121 .121 .125 .128 .148 .149 .107 .111 .114 .122 .125 .129 .133 .137 .141 .145 .148 .152 .156 .160 .167 .175 106° 106° .103 .110 .113 .117 .118 .121 .124 .125 .128 .133 .135 .136 .139 .143 .164 .163 .122 .126 .129 .137 .141 .145 .149 .153 .157 .161 .164 .168 .172 .176 .183 .191 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .370 .370 .390 .370 .400 .390 .370 .400 .375 .400 .380 .400 .385 .380 .420 .380 .428 .430 .430 .432 .433 .434 .435 .436 .437 .438 .439 .440 .441 .442 .444 .446 LOBE LIFT LOBE LIFT 161 164 167 168 171 171 171 175 174 178 178 180 181 182 194 193 174 176 178 182 184 186 188 190 192 194 196 197 199 201 205 208 @ .200 @ .200 250 254 256 258 258 260 262 262 264 266 268 268 270 272 282 284 260 262 264 268 270 272 274 276 278 280 282 284 286 288 292 296 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 283 287 289 291 291 293 295 295 297 299 301 301 303 305 315 317 RATED RATED RATED RATED RZ293 RZ295 RZ297 RZ301 RZ303 RZ305 RZ307 RZ309 RZ311 RZ313 RZ315 RZ317 RZ319 RZ321 RZ325 RZ329 DURATION DURATION 2314 2315 4294 2318 4293 4295 4283 4286 4284 4278 4285 4287 4296 4279 2735 2298 4260 4261 4262 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4276 4277 LOBE # LOBE # RZ RZ Low Lift CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ MI 33.0 (15.0/18.0) MI 33.0 (15.0/18.0) Journal = S,B,F,R… Journal = S,B,F,R… RZ LOW LIFT ROLLERS These lower lift versions of the RZ family work very well in high endurance applications maximum where maximum valve lift needs to be limited to ensure valve spring life. The RZ Rollers are designed for high RPM circle track, drag race and endurance applications that benefit from higher lift while requiring stability and reliability. drag and endurance applications race that track, and reliability. lift while requiring stability benefit from higher RPM circle are designed for high The RZ Rollers these profiles incorporate the latest developments in high RPM and high rocker ratio developments. rockers, Designed for 1.6:1 to 1.8:1 RZ ROLLERS RZ ROLLERS ROLLER

profile. smooth thanneedsavery application designs, orany The SRIandSRXareextremelysmoothhighrockerratio highratios especiallysuitedforengineswithvery SRI SRXHIGHRATIO ROLLER SOLID thetorquecurve. shape or The camshaftisdesiredtoreducepower orwhereaslow AS EnduranceRollerlobefamilyisforusein24-hourorlongerendurancerollercamapplications AS ENDURANCEROLLERS MI 33.1(15.7/17.4) MI 35.2(17.0/18.2) MI 35.6(17.1/18.5) Rated Duration @ Duration Rated Rated Duration @ Duration Rated @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE SRX ASX ALX ALL SRI ASI ALI SOLID ROLLER LOBE # LOBE # 20520 20519 20542 20541 20540 12268 12267 12266 12262 12261 12260 20522 20521 20515 20525 20574 20572 20527 DURATION DURATION RATED RATED 293 289 285 281 277 309 307 305 295 293 291 292 288 284 300 263 255 300 DURATION INDEGREES DURATION INDEGREES @.050 @.050 260 256 252 248 244 274 272 270 259 257 255 260 256 252 266 230 222 266 @.200 @.200 171 167 161 157 153 182 180 178 167 165 163 173 170 166 175 140 133 177 LOBE LIFT LOBE LIFT .4050 .4050 .4050 .3925 .3925 .3925 .380 .380 .360 .360 .360 .400 .400 .400 .380 .336 .336 .400 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .122 .115 .108 .101 .094 .143 .140 .136 .118 .115 .111 .125 .117 .111 .132 .078 .061 .134 106° 106° .108 .101 .094 .088 .082 .129 .125 .122 .105 .101 .098 .110 .103 .097 .118 .066 .050 .119 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .608 .608 .576 .576 .576 .770 .770 .770 .746 .746 .746 .640 .640 .640 .608 .538 .538 .640 1.6 1.9 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .646 .646 .612 .612 .612 .851 .851 .851 .824 .824 .824 .680 .680 .680 .646 .571 .571 .680 1.7 2.1 .684 .684 .648 .648 .648 .932 .932 .932 .903 .903 .903 .720 .720 .720 .684 .605 .605 .720 1.8 2.3 SOLID ROLLER 1.7 .697 .700 .704 .707 .711 .716 .719 .724 .731 .731 .731 .731 .740 .740 .740 .740 .740 1.6 .656 .659 .662 .666 .669 .674 .677 .682 .688 .688 .688 .688 .696 .696 .696 .696 .696 ROCKER ARM RATIO 1.5 .615 .618 .621 .624 .627 .632 .635 .639 .645 .645 .645 .645 .653 .653 .653 .653 .653 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° .086 .089 .092 .097 .101 .104 .109 .114 .117 .123 .125 .130 .132 .137 .141 .144 .151 106° .101 .105 .107 .113 .117 .120 .125 .131 .134 .140 .142 .148 .150 .154 .158 .162 .168 TAPPET LIFT @ TDC LIFT @ TAPPET .410 .412 .414 .416 .418 .421 .423 .426 .430 .430 .430 .430 .435 .435 .435 .435 .435 LOBE LIFT .420" Series. This results in great torque and power potential. Available in SmallAvailable results in greatThis torque and power potential. .420" Series. ™ 167 169 171 173 175 177 179 181 183 185 186 189 190 191 193 195 197 @ .200 244 246 248 250 252 254 256 258 260 262 264 266 268 270 272 274 278 @ .050 DURATION IN DEGREES DURATION RATED RATED RT274-1 RT276-2 RT278-3 RT280-1 RT282-1 RT284-1 RT286-1 RT288-1 RT290-1 RT292-1 RT294-1 RT296-1 RT298-1 RT300-1 RT302-1 RT304-1 RT308-1 DURATION 4121 4123 4124 4126 4127 4130 4128 4129 4131 4132 4133 4134 4135 4136 4137 4139 4138 LOBE # SOLID ROLLER (B = BASE FOR STD JOURNAL) FOR (B = BASE ROLLER SOLID RT CAMSHAFT TYPE .020" Tappet Lift .020" Tappet Rated Duration @ MI 30.6 (14.4/16.2) Journal = N,S,B,R… The RT Series provides shorter seat Series provides shorter timing and more area than our Hi-Tech The RT RT ROLLERS RT Block Ford and Big Block Chevy or 50mm sizes to prevent "cam growth" in the grinding process, allowing to have the engine builder more control over the or 50mm sizes to prevent "cam growth" and Big Block Chevy grinding process, in the Block Ford tuning process of the cam. ROLLER

SOLID whereextendedlifeisrequired,in restrictedapplications applications. andthelargerprofilesareexcellentinhighRPMopen The CRSeriesprofilesareexcellentforhighRPM, wheregoodvalvetraincomponentscanbeused.applications highrockerratio Thesmallerprofilesworkwell CR ROLLERS Journal =S,B,F,R… MI 31.2(14.5/16.7) Rated Duration @ Duration Rated .020" TappetLift CAMSHAFT TYPE CR SOLID ROLLER LOBE # 4687 4686 4685 2494 4684 4683 2492 4682 4391 2490 4390 2489 4389 2488 4388 4387 2486 4386 4385 4384 4383 4382 4349 4348 4347 4346 4345 DURATION CR321 CR319 CR317 CR315 CR313 CR311 CR309 CR307 CR305 CR303 CR301 CR299 CR297 CR295 CR293 CR291 CR289 CR287 CR285 CR283 CR281 RATED 315 311 307 305 303 299 DURATION INDEGREES @.050 290 288 286 284 284 282 280 280 278 276 276 274 274 272 272 270 268 268 266 264 262 260 258 256 254 252 250 @.200 204 202 200 201 199 197 198 195 193 194 192 192 190 190 188 186 186 185 183 181 179 178 176 174 172 170 168 LOBE LIFT .395 .395 .395 .420 .395 .395 .420 .395 .395 .420 .395 .420 .395 .420 .395 .395 .420 .395 .395 .395 .395 .395 .395 .395 .395 .395 .395 TAPPET LIFT@ TDC .187 .183 .180 .180 .176 .172 .172 .169 .165 .164 .161 .160 .158 .156 .154 .150 .147 .147 .143 .139 .135 .131 .127 .123 .119 .115 .111 106° .172 .168 .165 .163 .161 .157 .155 .153 .149 .147 .146 .143 .142 .139 .138 .134 .131 .131 .127 .123 .119 .115 .111 .107 .104 .100 .096 110° THEORETICAL VALVE LIFT@"0"LASH .672 .672 .672 .714 .672 .672 .714 .672 .672 .714 .672 .714 .672 .714 .672 .672 .714 .672 .672 .672 .672 .672 .672 .672 .672 .672 .672 1.7 ROCKER ARM RATIOROCKER ARM .691 .691 .691 .735 .691 .691 .735 .691 .691 .735 .691 .735 .691 .735 .691 .691 .735 .691 .691 .691 .691 .691 .691 .691 .691 .691 .691 1.75 .711 .711 .711 .756 .711 .711 .756 .711 .711 .756 .711 .756 .711 .756 .711 .711 .756 .711 .711 .711 .711 .711 .711 .711 .711 .711 .711 1.8 SOLID ROLLER 2.3 1.7 .643 .643 .643 .643 .624 .624 .624 .624 .624 .624 .624 .624 .624 .726 .728 .729 .731 .733 .734 .736 .738 .740 .741 .743 .745 .746 .748 .748 .748 .748 .748 .748 2.1 1.6 .624 .624 .624 .624 .606 .606 .606 .606 .606 .606 .606 .606 .606 .683 .685 .686 .688 .690 .691 .693 .694 .696 .698 .699 .701 .702 .704 .704 .704 .704 .704 .704 ROCKER ARM RATIO ROCKER ARM RATIO 1.9 1.5 .605 .605 .605 .605 .587 .587 .587 .587 .587 .587 .587 .587 .587 .641 .642 .644 .645 .647 .648 .650 .651 .653 .654 .656 .657 .659 .660 .660 .660 .660 .660 .660 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° .100 .107 .115 .123 .085 .092 .100 .107 .115 .122 .130 .137 .145 .099 .103 .107 .110 .114 .118 .122 .126 .130 .134 .138 .143 .147 .151 .155 .159 .163 .167 .172 106° 106° .115 .123 .131 .138 .100 .107 .115 .123 .130 .138 .146 .153 .159 .114 .118 .122 .126 .130 .134 .139 .143 .147 .151 .155 .160 .164 .168 .172 .176 .180 .185 .189 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .378 .378 .378 .378 .367 .367 .367 .367 .367 .367 .367 .367 .367 .427 .428 .429 .430 .431 .432 .433 .434 .435 .436 .437 .438 .439 .440 .440 .440 .440 .440 .440 LOBE LIFT LOBE LIFT 168 172 175 179 161 165 168 172 175 179 182 186 189 172 174 176 177 179 181 183 185 187 189 191 193 195 197 199 201 203 205 207 @ .200 @ .200 252 256 260 264 244 248 252 256 260 264 268 272 276 253 255 257 259 261 263 265 267 269 271 273 275 277 279 281 283 285 287 289 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 283 287 291 295 275 279 283 287 291 295 299 303 307 286 288 290 292 294 296 298 300 302 304 306 308 310 312 314 316 318 320 322 RATED RATED RATED RATED DURATION DURATION 4445 4447 4449 4451 4436 4427 4428 4429 4430 4431 4432 4433 4438 4301 4302 4303 4304 4305 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4340 4341 LOBE # LOBE # RX CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ CR Lift Rule .378" CR Lift Rule .367" MI 31.2 (14.5/16.7) MI 32.6 (15.5/17.1) Journal = S,B,F,R… Journal = N,S,B,R… Journal = N,S,B,R… These are similar to the RT Series but are designed for a higher RPM operating range. These were developed to allow the performance of RT designs in appliin designs - allowto developed were These RT of performance the operatingRPM higher a for designed are but Series range. RT the to similar are These were developed using RX profiles ensure stability over 9000 RPM, dynamic testing to such as the NASCAR engines. cations that operate well over 8400 RPM, even when coupled with a 1.7:1 rocker arm. RX ROLLERS These low lift designs are based on the CR Rollers and are specifically designed for lift rule application such as Rev-Oil Pro Cup. Typically they will be used withTypically they These lowrule designed for lift CR Rollers and are specifically designs are based on the lift application Pro Cup. such as Rev-Oil ratios. but would be stable with up to 1.8:1 ratios, either 1.65:1 or 1.7:1 rocker CR LIFT RULECR LIFT ROLLERS ROLLER

endurance applications. similarRPM andliftrequirements. have that These aredesignedforNASCARandotherenduranceapplications valveliftsuptoandabove.750"in The ZTRollersareahighrockerratio, allow ofvalvespringdevelopmentsthat highRPMseriesdesignedtotakeadvantage ZT ROLLERS SOLID The andhighliftarerequired. TC lobesarespeciallydesignedtobestableinsmallbasecircle orwhereshortduration applications TC ROLLERS Journal =N,S,B,R… Journal =N,S,B,R… MI 31.5(15.4/16.2) MI 31.3(15.4/15.9) Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE TC ZT SOLID ROLLER LOBE # LOBE # 11476 11474 11472 11470 11468 11466 11464 11462 11460 4827 4826 4824 4823 4822 4821 4820 4819 4818 4817 4816 4815 4814 DURATION DURATION RATED RATED 299 314 295 312 310 291 308 306 287 304 302 283 300 298 279 296 294 275 292 290 271 267 DURATION INDEGREES DURATION INDEGREES @.050 @.050 268 282 264 280 278 260 276 274 256 272 270 252 268 266 248 264 262 244 260 258 240 236 @.200 @.200 188 198 184 196 194 180 192 190 176 188 186 172 184 182 168 181 179 164 177 175 160 156 LOBE LIFT LOBE LIFT .452 .420 .448 .418 .418 .444 .416 .412 .440 .413 .412 .436 .411 .410 .432 .409 .408 .428 .407 .406 .424 .420 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .146 .173 .138 .169 .165 .130 .161 .157 .122 .153 .149 .114 .145 .141 .106 .137 .133 .099 .128 .124 .092 .085 106° 106° .130 .157 .122 .152 .149 .114 .144 .141 .106 .137 .133 .099 .129 .125 .092 .121 .117 .085 .114 .110 .079 .072 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .678 .714 .672 .711 .711 .666 .707 .700 .660 .702 .700 .654 .699 .697 .648 .695 .694 .642 .692 .690 .636 .630 1.7 1.5 ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM .723 .735 .717 .732 .732 .710 .728 .721 .704 .723 .721 .698 .719 .718 .691 .716 .714 .685 .712 .711 .678 .672 1.75 1.6 .768 .756 .762 .752 .752 .755 .749 .742 .748 .743 .742 .741 .740 .738 .734 .736 .734 .728 .733 .731 .721 .714 1.8 1.7 SOLID ROLLER 1.8 1.8 .756 .763 .767 .770 .774 .778 .779 .781 .740 .742 .743 .745 .747 .749 .752 .756 .758 .763 .767 .770 .774 .743 .743 .743 .743 .743 .743 .743 .743 .743 1.75 1.75 .735 .742 .746 .749 .753 .756 .758 .760 .719 .721 .723 .725 .726 .728 .732 .735 .737 .742 .746 .749 .753 .723 .723 .723 .723 .723 .723 .723 .723 .723 Continued on page 80 ROCKER ARM RATIO ROCKER ARM RATIO 1.7 1.7 .714 .721 .724 .728 .731 .734 .736 .738 .699 .700 .702 .704 .706 .707 .711 .714 .716 .721 .724 .728 .731 .702 .702 .702 .702 .702 .702 .702 .702 .702 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° .098 .106 .110 .114 .118 .122 .126 .130 .112 .116 .119 .123 .127 .131 .135 .139 .143 .147 .151 .155 .159 .106 .114 .118 .122 .126 .130 .134 .142 .150 106° 106° .114 .122 .126 .131 .135 .139 .143 .147 .127 .131 .135 .139 .143 .147 .151 .156 .159 .163 .167 .171 .175 .122 .130 .134 .139 .143 .147 .151 .159 .167 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .420 .424 .426 .428 .430 .432 .433 .434 .411 .412 .413 .414 .415 .416 .418 .420 .421 .424 .426 .428 .430 .413 .413 .413 .413 .413 .413 .413 .413 .413 LOBE LIFT LOBE LIFT 172 176 178 180 182 184 186 188 176 178 180 182 184 186 188 190 192 193 195 197 199 175 179 181 183 184 186 188 192 195 @ .200 @ .200 250 254 256 258 260 262 264 266 258 260 262 264 266 268 270 272 274 276 278 280 282 254 258 260 262 264 266 268 272 276 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 280 284 286 288 290 292 294 296 288 290 292 294 296 298 300 302 304 306 308 310 312 284 288 290 292 294 296 298 302 306 RATED RATED RATED RATED DURATION DURATION 2950 2952 2953 2954 2958 2978 2979 2980 2981 2982 4321 2983 2984 2985 4327 4328 4329 2989 4402 4404 4405 4406 4407 4408 4409 4416 4418 14255 14256 14257 LOBE # LOBE # TD ZS II ZS .413" Lift CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ MI 30.4 (14.8/15.6) MI 30.5 (14.8/15.7) MI 30.4 (14.8/15.6) Journal = S,B,F,R… Journal = N,S,B,R… Journal = N,S,B,R… These TD designs are excellent for high ratio, four gauge, 390 carb rules, such as NASCAR applications. The TJs have slightly more lift but are a little smoother The such as NASCAR applications. 390 carb rules, four gauge, TD designs are excellent for high ratio, These ramp. TJs except for a slightly softer closing TJS rollers are very the similar to while the TD, TJ TD, & TJS ROLLERS The ZS Rollers are a high ratio roller series for restricted applications limited to below 8400 RPM. These are veryThese for applications good are a high ratioThe ZS Rollers that applicationsfor restricted roller series from higher benefit to below limited 8400 RPM. The ZS II lobes are the These profiles work well with the new generation and #26091. valve springs such as COMP Cams® #26099 lift than the HRR series. versions except these havesame as the .413" lobe lift as the duration increasing lobe lift increases. ZS ROLLERS ZS ROLLERS ROLLER

These are an additional series of high rocker ratio profiles that aresimilartoboththeZTandZSseries, profilesthat These areanadditionalseriesofhighrockerratio butthesearedesignedforslightlylessrockerratio. TS ROLLERS SOLID ROLLERS TD,& TJS TJ Journal =N,S,B,R… Journal =S,B,F,R… MI 31.0(15.4/15.6) Rated Duration @ Duration Rated @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE TJS TS TJ SOLID ROLLER LOBE # LOBE # 4842 4841 4840 4839 2965 4838 2964 4837 2963 2962 2885 2882 2881 Continued DURATION DURATION RATED RATED 305 303 301 299 297 295 302 300 298 296 305 299 297 DURATION INDEGREES DURATION INDEGREES @.050 @.050 274 272 270 268 266 264 272 270 268 266 274 268 266 @.200 @.200 192 191 189 187 185 183 189 187 185 184 191 185 183 LOBE LIFT LOBE LIFT .428 .427 .426 .425 .423 .422 .426 .424 .422 .420 .427 .421 .419 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .161 .157 .153 .149 .145 .141 106° .156 .151 .147 .143 .158 .146 .412 106° .145 .141 .137 .133 .129 .125 110° .139 .135 .131 .127 .142 .130 .126 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .728 .726 .724 .723 .719 .717 .724 .721 .717 .714 .726 .716 .712 1.7 1.7 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .749 .747 .746 .744 .740 .739 1.75 .746 .742 .739 .735 .747 .737 .733 1.75 .770 .769 .767 .765 .761 .760 .767 .763 .760 .756 .769 .758 .754 1.8 1.8 SOLID ROLLER 1.7 1.8 .673 .679 .684 .689 .695 .700 .684 .706 .713 .684 .713 .684 .713 .713 .713 .713 .713 .713 .713 .713 .713 .713 .723 .723 .731 .731 .731 .731 .740 .740 .740 1.6 1.75 .655 .660 .665 .670 .676 .681 .665 .686 .693 .665 .693 .665 .693 .693 .693 .693 .693 .693 .693 .693 .693 .693 .680 .680 .688 .688 .688 .688 .696 .696 .696 ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.7 .636 .641 .646 .651 .656 .661 .646 .666 .673 .646 .673 .646 .673 .673 .673 .673 .673 .673 .673 .673 .673 .673 .638 .638 .645 .645 .645 .645 .653 .653 .653 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° .065 .068 .071 .075 .078 .082 .085 .085 .089 .093 .093 .097 .097 .104 .108 .112 .116 .120 .124 .128 .133 .137 .101 .110 .118 .122 .127 .131 .135 .140 .144 106° 106° .078 .082 .085 .089 .093 .097 .101 .101 .105 .109 .109 .113 .113 .121 .125 .129 .133 .137 .141 .145 .149 .153 .118 .127 .136 .140 .144 .149 .153 .158 .162 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .374 .377 .380 .383 .386 .389 .380 .392 .396 .380 .396 .380 .396 .396 .396 .396 .396 .396 .396 .396 .396 .396 .425 .425 .430 .430 .430 .430 .435 .435 .435 LOBE LIFT LOBE LIFT 152 154 156 158 160 162 163 164 166 167 168 169 170 173 175 177 179 180 182 184 186 188 175 178 182 184 186 188 190 192 194 @ .200 @ .200 230 232 234 236 238 240 242 242 244 246 246 248 248 252 254 256 258 260 262 264 266 268 250 254 258 260 262 264 266 268 270 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 272 276 278 280 284 288 290 292 294 296 298 300 RATED RATED RATED RATED HRR260 HRR262 HRR264 HRR266 HRR268 HRR270 HRR272 HRR274 HRR276 HRR278 HRR282 HRR284 HRR286 HRR288 HRR290 HRR292 HRR294 HRR296 HRR298 DURATION DURATION 4358 4359 4361 4362 4363 4364 4198 4365 4366 4199 4367 4196 4368 4370 4371 4372 4373 4374 4375 4376 4377 4378 4176 4178 4180 4181 4182 4183 4184 4185 4186 LOBE # LOBE # RC CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ MI 30.0 (14.0/16.0) MI 30.0 (14.0/16.0) Journal = N,S,B,R… Journal = N,S,B,R… High Ratio Restricted RC ROLLERS These are slightly less aggressive Torque .440" profiles. profiles with more area than the High The RC rollers are designed to be faster off the seat than the RT Also used in some hydraulic roller applications. Very good for Sprint Car and Late Model applications. TK profiles. than the The HRR designs, when coupled with high rocker ratios, result in extremely quick valve action. 8100 RPM maximum with light valve train. Very good in restrictedVery good in light valve train. 8100 RPM maximum with quick valve action. result in extremely with high rocker ratios, when coupled The HRR designs, applications. HIGH RATIO RESTRICTED ROLLERS RESTRICTED HIGH RATIO ROLLER

be used successfully with lower rockerratios.be usedsuccessfullywithlower For usewith1.7to1.9:1rockerratios. Also used insomehydraulicrollerapplications. 8200RPM. limitedtobelow rollerseriesforrestrictedapplications The SPRollersareahighratio thantheRPseriesandcan These lobes aremoreaggressive SP ROLLERS SOLID withrollertappets. increasedareaasallowed designs buthave For usewith1.8to1.95:1rockerratios. 8400RPM. limitedtobelow rollerseriesforrestrictedapplications The RPRollersareahighratio restrictorplate tappet flat These arebasedoffofthelatest RP ROLLERS Journal =N,S,B,R… Journal =S,B,F,R… MI 30.0(15.0/15.0) MI 28.2(13.8/14.4) Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE RP SP SOLID ROLLER LOBE # LOBE # 2520 2519 2518 2517 2516 2515 2514 2513 2512 2511 2510 2509 2508 2507 4831 4830 4789 4788 4785 4784 4793 1515 1514 DURATION DURATION RATED RATED 296 294 292 290 288 286 284 282 280 278 276 274 272 270 285 283 281 279 277 275 273 268 264 DURATION INDEGREES DURATION INDEGREES @.050 @.050 266 264 262 260 258 256 254 252 250 248 246 244 242 240 257 255 253 251 249 247 245 240 236 @.200 @.200 182 180 179 177 175 173 172 170 168 166 165 163 161 159 178 176 174 172 170 168 166 161 158 LOBE LIFT LOBE LIFT .381 .381 .381 .381 .381 .381 .381 .381 .381 .381 .381 .381 .381 .381 .390 .388 .386 .384 .382 .380 .378 .374 .374 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .142 .138 .135 .131 .127 .123 .119 .115 .112 .108 .104 .101 .097 .093 .133 .128 .124 .120 .116 .112 .108 .096 .089 106° 106° .127 .123 .119 .115 .112 .108 .104 .101 .097 .093 .090 .086 .083 .080 .116 .112 .108 .104 .100 .096 .092 .081 .074 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .686 .686 .686 .686 .686 .686 .686 .686 .686 .686 .686 .686 .686 .686 .663 .660 .656 .653 .649 .646 .643 .636 .636 1.8 1.7 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .705 .705 .705 .705 .705 .705 .705 .705 .705 .705 .705 .705 .705 .705 .702 .698 .695 .691 .688 .684 .680 .673 .673 1.85 1.8 .724 .724 .724 .724 .724 .724 .724 .724 .724 .724 .724 .724 .724 .724 .741 .737 .733 .730 .726 .722 .718 .711 .711 1.9 1.9 SOLID ROLLER 1.7 1.7 .748 .690 .748 .690 .748 .690 .748 .690 .748 .690 .748 .690 .748 .690 .748 .690 .748 .690 .748 .748 1.6 1.6 .704 .650 .704 .650 .704 .650 .704 .650 .704 .650 .704 .650 .704 .650 .704 .650 .704 .650 .704 .704 ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.5 .660 .609 .660 .609 .660 .609 .660 .609 .660 .609 .660 .609 .660 .609 .660 .609 .660 .609 .660 .660 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° .099 .091 .102 .098 .105 .106 .114 .114 .123 .122 .131 .131 .139 .136 .160 .147 .167 .156 .174 .180 106° 106° .115 .106 .119 .114 .122 .122 .131 .131 .140 .139 .149 .148 .157 .156 .177 .164 .185 .173 .191 .198 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .440 .406 .440 .406 .440 .406 .440 .406 .440 .406 .440 .406 .440 .406 .440 .406 .440 .406 .440 .440 LOBE LIFT LOBE LIFT 174 169 176 172 178 176 182 180 186 184 190 188 194 192 197 195 201 199 205 210 @ .200 @ .200 250 248 252 252 256 256 260 260 264 264 268 268 272 272 276 276 280 280 284 288 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 278-8 280-6 280-8 284-6 284-8 288-6 288-8 292-6 292-8 296-4 296-8 300-7 300-8 304-7 304-8 308-7 308-8 312-8 316-8 RATED RATED RATED RATED 312-14 DURATION DURATION 4217 4600 4216 4601 4240 1477 4241 4209 4243 4206 4245 4207 4252 4208 4253 4205 4213 1481 4214 4254 LOBE # LOBE # CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ High Torque .440" High Torque High Torque .406" High Torque MI 32.6 (16.3/16.3) MI 32.8 (16.4/16.4) Journal = N,S,B,R… Journal = N,S,B,R… The High Torque .406", when coupled with higher rocker ratios (1.7 and up), result in very aggressive valve motion. These provide excellent torque curves and result in very aggressive coupled with higher rocker ratios when valve motion. up), (1.7 and .406", Torque The High .440" profiles The smaller lobes are greatTorque for restricted applications and the larger lobes provide stronger alternatives to the High great responsiveness. when coupled with higher rocker ratios to achieve equivalent valve lift.. HIGH TORQUE .440" ROLLERS HIGH The High Torque .406", when coupled with higher rocker ratios (1.7 and up), result in very aggressive valve motion. These provide excellent torque curvesThese provide and in very result aggressive higher rocker ratios when coupled with valve motion. (1.7 and up), .406", Torque The High .440" profiles The smaller lobes are greatTorque applications for restricted stronger alternatives and the larger lobes provide to the High great responsiveness. rocker ratioswhen coupled with higher to achieve equivalent valve lift.. HIGH TORQUE .406" ROLLERS TORQUE HIGH ROLLER

SOLID higherenginespeedsandimproveddynamics. shouldallow that butprovidemorelobelift.in termsofaggressiveness They areclosest totheHigh Torque profileadvancements ourlatest incorporated .440"lobesbuthave requiremaximumtorqueandextendedRPM. that The HXLRollersareintendedforhighliftapplications These fallsomewhereinbetweenthe RXand TK Series HXL ROLLERS Journal =S,B,F,R… MI 29.7(14.6/15.1) Rated Duration @ Duration Rated .020" TappetLift CAMSHAFT TYPE HXL SOLID ROLLER LOBE # 2210 2209 2208 2237 2236 2235 2234 2233 2232 2231 2230 2229 2228 2227 2226 2225 2224 2223 2222 DURATION RATED 317 315 313 311 309 307 305 303 301 299 297 295 293 291 289 287 285 283 281 DURATION INDEGREES @.050 288 286 284 282 280 278 276 274 272 270 268 266 264 262 260 258 256 254 252 @.200 210 208 206 204 202 201 199 197 195 193 191 189 187 185 183 181 179 177 175 LOBE LIFT .454 .454 .454 .454 .454 .454 .454 .454 .454 .452 .450 .448 .446 .444 .442 .440 .438 .436 .434 TAPPET LIFT@ TDC .195 .191 .187 .183 .178 .174 .170 .166 .161 .157 .152 .148 .144 .139 .135 .130 .126 .122 .118 106° .177 .173 .169 .165 .161 .156 .152 .148 .143 .139 .135 .130 .126 .122 .118 .114 .110 .106 .102 110° THEORETICAL VALVE LIFT@"0"LASH .726 .726 .726 .726 .726 .726 .726 .726 .726 .723 .720 .717 .714 .710 .707 .704 .701 .698 .694 1.6 ROCKER ARM RATIOROCKER ARM .772 .772 .772 .772 .772 .772 .772 .772 .772 .768 .765 .762 .758 .755 .751 .748 .745 .741 .738 1.7 .817 .817 .817 .817 .817 .817 .817 .817 .817 .814 .810 .806 .803 .799 .796 .792 .788 .785 .781 1.8 SOLID ROLLER 1.7 1.7 .757 .757 .757 .757 .757 .757 .757 .757 .757 .757 .757 .757 .757 .750 .753 .757 .760 .763 .767 .770 .774 .777 .780 .784 .787 .791 .794 .797 .801 .804 1.6 1.6 .712 .712 .712 .712 .712 .712 .712 .712 .712 .712 .712 .712 .712 .706 .709 .712 .715 .718 .722 .725 .728 .731 .734 .738 .741 .744 .747 .750 .754 .757 ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.5 .668 .668 .668 .668 .668 .668 .668 .668 .668 .668 .668 .668 .668 .662 .665 .668 .671 .674 .677 .680 .683 .686 .689 .692 .695 .698 .701 .704 .707 .710 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° .110 .118 .126 .130 .134 .139 .143 .147 .152 .156 .161 .165 .169 .071 .075 .078 .082 .086 .089 .093 .097 .101 .105 .109 .114 .118 .122 .127 .131 .136 106° 106° .126 .135 .143 .147 .152 .156 .161 .165 .169 .174 .178 .183 .187 .086 .089 .093 .097 .101 .105 .109 .114 .118 .122 .127 .131 .136 .140 .145 .149 .154 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .445 .445 .445 .445 .445 .445 .445 .445 .445 .445 .445 .445 .445 .441 .443 .445 .447 .449 .451 .453 .455 .457 .459 .461 .463 .465 .467 .469 .471 .473 LOBE LIFT LOBE LIFT 179 183 187 189 191 193 194 196 198 200 202 204 206 160 162 164 166 168 170 172 174 176 178 180 182 184 186 188 190 192 @ .200 @ .200 256 260 264 266 268 270 272 274 276 278 280 282 284 234 236 238 240 242 244 246 248 250 252 254 256 258 260 262 264 266 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 286 290 294 296 298 300 302 304 306 308 310 312 314 262 264 266 268 270 272 274 276 278 280 282 284 286 288 290 292 294 RATED RATED RATED RATED DURATION DURATION 12404 12406 12198 12199 12200 12201 12202 12203 12204 12205 12206 12207 12208 11534 11535 11536 11537 11508 11509 11510 11511 11512 11513 11514 11515 11516 11517 11518 11519 11520 LOBE # LOBE # QRI HXX CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ MI 29.7 (14.6/15.1) MI 28.3 (13.9/14.4) Journal = N,S,B,R… Journal = N,S,B,R… HXX ROLLERS The HXX Rollers are exhaust optimized versions of our popular HXL Intake lobes.. The QRI series are higher lift lobe profiles based off a modern optimized combination of the TK, TC, HXL and new QNI designs. Designed for STD CS journals CS STD Designed for QNI designs. new and HXL TC, TK, optimized combination a modern off based lobe profiles lift higher are series QRI The of the to 1.7:1 ratios.and/or 0.900" BCD and up QRI ROLLERS ROLLER

stability at very highRPM. very stability at thantheRXprofiles,These arequickerofftheseat willprovidebetterstabilitywithhighratios. buttheIXLnoseshape similartotheHXLbutisoptimizedforhigherrockerratios.The IXLSeriesisvery adesigncharacteristicwhichshouldimprove This familyalsoincorporates IXL ROLLERS lift.These aresofterrampdesignsliketheHXLbutwithlower Work asanexhaustlobe. wellfor oranywhere withhigher ratios AL blockapplications HXX LLROLLERS SOLID Higher liftversionsontheHXXlobes.. HXX HLROLLERS Journal =N,S,B,R… MI 30.0(14.5/15.5) Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE HXX HL HXX LL IXLL IXL SOLID ROLLER LOBE # LOBE # LOBE # 12410 12133 12131 12129 14508 14506 14504 14502 12054 12052 12050 2544 2543 2542 2541 2540 2539 2538 2537 2536 2535 DURATION DURATION DURATION RATED RATED RATED 299 300 296 292 305 303 301 299 297 295 293 291 289 287 283 279 275 295 291 286 282 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 @.050 269 270 266 262 275 273 271 269 267 265 263 261 259 257 253 249 245 264 260 256 252 @.200 @.200 @.200 @.200 193 188 184 180 192 190 188 186 184 182 181 179 177 175 171 167 163 179 175 171 167 LOBE LIFT LOBE LIFT LOBE LIFT .469 .394 .392 .390 .430 .428 .426 .424 .422 .420 .418 .416 .414 .412 .408 .404 .400 .393 .391 .389 .387 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .155 .151 .143 .135 106° 106° .160 .156 .152 .148 .144 .140 .136 .133 .129 .125 .117 .110 .102 .137 .129 .122 .114 106° 106° .137 .134 .127 .119 110° 110° .144 .140 .136 .132 .128 .125 .121 .117 .113 .110 .102 .095 .088 .122 .114 .107 .100 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .704 .591 .588 .585 .731 .728 .724 .721 .717 .714 .711 .707 .704 .700 .694 .687 .680 .707 .704 .700 .697 1.6 1.5 1.8 1.7 ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .750 .670 .666 .663 .774 .770 .767 .763 .760 .756 .752 .749 .745 .742 .734 .727 .720 .747 .743 .739 .735 1.7 1.6 1.9 1.8 .797 .709 .706 .702 .817 .813 .809 .806 .802 .798 .794 .790 .787 .783 .775 .768 .760 .786 .782 .778 .774 1.8 1.7 2.0 1.9 SOLID ROLLER 1.7 .689 .697 .706 .714 .723 .731 .731 .731 .731 .731 .731 .714 .731 .714 .731 .714 .731 .714 .731 .714 .731 .731 .731 .731 .731 .731 .731 .731 .731 1.6 .648 .656 .664 .672 .680 .688 .688 .688 .688 .688 .688 .672 .688 .672 .688 .672 .688 .672 .688 .672 .688 .688 .688 .688 .688 .688 .688 .688 .688 ROCKER ARM RATIO 1.5 .608 .615 .623 .630 .638 .645 .645 .645 .645 .645 .645 .630 .645 .630 .645 .630 .645 .630 .645 .630 .645 .645 .645 .645 .645 .645 .645 .645 .645 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° .064 .071 .078 .085 .093 .101 .105 .109 .114 .118 .122 .129 .126 .131 .131 .134 .135 .138 .140 .142 .144 .148 .154 .157 .161 .165 .169 .173 .178 106° .078 .085 .093 .101 .109 .118 .122 .127 .131 .135 .140 .147 .144 .149 .149 .151 .153 .155 .157 .159 .162 .166 .170 .174 .178 .183 .187 .191 .195 TAPPET LIFT @ TDC LIFT @ TAPPET .405 .410 .415 .420 .425 .430 .430 .430 .430 .430 .430 .420 .430 .420 .430 .420 .430 .420 .430 .420 .430 .430 .430 .430 .430 .430 .430 .430 .430 LOBE LIFT 156 160 164 168 172 175 177 179 180 182 184 184 186 186 188 188 190 190 191 191 193 195 197 199 201 202 204 206 208 @ .200 230 234 238 242 246 249 251 253 255 257 259 261 261 263 263 265 265 267 267 269 269 271 273 275 277 279 281 283 285 @ .050 DURATION IN DEGREES DURATION RATED RATED TK258 TK262 TK266 TK270 TK274 TK277 TK279 TK281 TK283 TK285 TK287 TK289 TK291 TK293 TK295 TK297 TK299 TK301 TK303 TK305 TK307 TK309 TK311 TK313 DURATION TK289-420 TK291-420 TK293-420 TK295-420 TK297-420 4639 4640 4641 4642 4643 4609 4610 4611 4612 4613 4614 4572 4615 4573 4616 4574 4617 4575 4618 4576 4619 4620 4621 4622 4623 4624 4625 4627 4628 LOBE # TK CAMSHAFT TYPE .020" Tappet Lift .020" Tappet Rated Duration @ MI 28.2 (13.8/14.4) Journal = S,B,F,R… The TK Series is our most aggressive standard rocker ratio series. These designs get from .020" to .050" tappet.020" to .050" from These designs get tappet.020" to back from .050" lift and inlift aggressiveour most is Series TK ratio standard rocker series. The Excellent for all out Sprint Car and Late That Model quickness provides more durationapplications. at .200" and more area than comparable profiles. only 28°. selection. Engine Builder salesmen for proper component Cam® CAM HELP® technician or one of our Please consult with a COMP TK ROLLERS ROLLER

revised NMRAspecs. lift liftdesignsaresimilartothelow These low lobelift.TKs butoptimizedwithquickerrampsforthe lower including Designed for liftrulesolidrollerapplications ROLLERS VK LIFTRULE tings inthe.022"to.028"range. Otherwise, lobeprofiles. theyshouldperformaswellthe respondwelltoaggressive that TK familyinhightorqueapplications similartothe The SPLRollersarevery specialrampsdesignedtobeusedwithlooserlashvalues.TK familybuthave These lobesaredesignedforhotlashset- SPL ROLLERS SOLID used with1.8:1ratios. liftdesignsarebasedonthe These low suchasRev-OilProCup.applications TK seriesrollersandarespecificallydesignedforliftrule Typically theywillbe ROLLERS TK LIFTRULE Journal =S,B,F,R… Journal =S,B,F,R… Journal =S,B,F,R… MI 28.2(13.8/14.4) MI 30.6(15.2/15.4) MI 27.2(13.3/13.9) TK LiftRule.347" VK LiftRule.323" Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE SPL SOLID ROLLER LOBE # LOBE # LOBE # 1429 1427 4424 4423 4422 4421 1419 1418 1417 1416 2909 2908 2907 2906 2694 2693 2692 2691 2690 2689 2688 DURATION DURATION DURATION RATED RATED RATED 299 295 291 287 283 279 275 271 267 263 303 299 295 291 300 296 292 288 284 280 276 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 271 267 263 259 255 251 247 243 239 235 272 268 264 260 273 269 265 261 257 253 249 @.200 @.200 @.200 184 180 177 174 171 168 165 161 158 154 195 192 188 184 181 178 174 171 167 164 161 LOBE LIFT LOBE LIFT LOBE LIFT 0.435 0.435 0.435 0.435 .347 .347 .347 .347 .347 .347 .347 .347 .347 .347 .323 .323 .323 .323 .323 .323 .323 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .154 .147 .141 .134 .126 .119 .111 .104 .096 .089 .163 .154 .146 .137 .153 .147 .140 .133 .126 .119 .112 106° 106° 106° .140 .133 .126 .118 .111 .104 .096 .089 .081 .074 .145 .137 .128 .120 .139 .133 .126 .119 .112 .105 .098 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .607 .607 .607 .607 .607 .607 .607 .607 .607 .607 .696 .696 .696 .696 .501 .501 .501 .501 .501 .501 .501 1.75 1.55 1.6 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM .625 .625 .625 .625 .625 .625 .625 .625 .625 .625 .740 .740 .740 .740 .517 .517 .517 .517 .517 .517 .517 1.8 1.6 1.7 .642 .642 .642 .642 .642 .642 .642 .642 .642 .642 .783 .783 .783 .783 .533 .533 .533 .533 .533 .533 .533 1.85 1.65 1.8 SOLID ROLLER 1.7 .678 .685 .692 .699 .702 .706 .709 .712 .716 .719 .723 .726 .733 .553 .553 .553 .553 .592 .592 .592 .592 .592 .670 .677 .683 .687 .690 .697 .704 1.6 .638 .645 .651 .658 .661 .664 .667 .670 .674 .677 .680 .683 .690 .520 .520 .520 .520 .557 .557 .557 .557 .557 .630 .637 .643 .646 .650 .656 .662 ROCKER ARM RATIO 1.5 .599 .605 .611 .617 .620 .623 .626 .629 .632 .635 .638 .641 .647 .488 .488 .488 .488 .522 .522 .522 .522 .522 .591 .597 .603 .606 .609 .615 .621 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° .061 .068 .075 .082 .086 .090 .094 .098 .102 .106 .110 .114 .123 .039 .041 .044 .055 .055 .058 .061 .068 .055 .082 .090 .098 .102 .106 .114 .123 106° .075 .082 .090 .098 .102 .106 .110 .114 .119 .123 .127 .132 .141 .049 .052 .055 .068 .068 .071 .075 .082 .068 .098 .106 .114 .118 .123 .132 .140 TAPPET LIFT @ TDC LIFT @ TAPPET .399 .403 .407 .411 .413 .415 .417 .419 .421 .423 .425 .427 .325 .325 .325 .325 .348 .348 .348 .348 .348 .394 .398 .402 .404 .406 .410 .414 0.431 LOBE LIFT 154 158 162 166 168 170 172 174 176 178 180 182 186 133 135 137 144 147 148 150 154 147 165 169 173 175 177 181 185 @ .200 228 232 236 240 242 244 246 248 250 252 254 256 260 212 214 216 224 224 226 228 232 224 240 244 248 250 252 256 260 @ .050 DURATION IN DEGREES DURATION 256 260 264 268 270 272 274 276 278 280 282 284 288 240 242 244 252 252 254 256 260 252 268 272 276 278 280 284 288 RATED RATED DURATION 12564 12566 12568 12570 12571 12572 12573 12574 12575 12576 12577 12578 12580 12540 12581 12582 12588 12543 12583 12584 12589 12543 12550 12552 12554 12555 12556 12558 12560 LOBE # CSZ CSZ H Journal = S Journal = S, B Journal = S, CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ MI 27.7 (13.5/14.2) MI 27.7 (13.5/14.2) The CSZ Rollers are "tweaked" versions of the DSZ profiles for use in standard journal Small Block Chevy applications and higher lift Big Block Chevy or 50mm. Chevy Block Small journal standard in use for profiles DSZ the of versions "tweaked" are Rollers applicationsCSZ The 50mm. or Chevy Block Big lift higher and to close a as this However, journal versions. up a little area and stability compared to the larger and they give as the DSZ profiles, These are not quite as quick rollers if noise is not a primaryAlso good for hydraulic concern. a smaller journal. DSZ as you can get with CSZ ROLLERS SOLID ROLLER

SOLID ROLLER (C = LARGE JOURNAL MULTI-USE)

DSZ ROLLERS ROLLER The DSZ Rollers are tight lash designs based on our high lift DSP and DSS series but optimized with quicker ramps for shorter duration applications. These lobes have shorter seat timing than even the TK series. DSZ Rollers provide great torque and power in limited engine speed or limited ratio applications. DSZ profiles are also very good with limited travel hydraulic roller lifters if noise is not a primary concern. SOLID THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 12500 267 240 166 .394 .098 .083 .591 .630 .670 DSZ Series 12502 271 244 170 .398 .106 .090 .597 .637 .677 Rated Duration @ .020" Tappet Lift 12504 275 248 174 .402 .115 .098 .603 .643 .683 12506 279 252 177 .406 .123 .106 .609 .650 .690 Journal = B, F, R, M 12508 283 256 181 .410 .132 .115 .615 .656 .697 MI 27.1 (13.0/14.1) 12510 287 260 185 .414 .141 .123 .621 .662 .704

12522 271 244 170 .415 .106 .090 .623 .664 .706 DSZ H Series 12524 275 248 174 .419 .115 .098 .629 .670 .712 Rated Duration @ .020" Tappet Lift 12526 279 252 178 .423 .124 .106 .635 .677 .719 12527 281 254 180 .425 .128 .111 .638 .680 .723 Journal = F, R, M 12528 283 256 182 .427 .132 .115 .641 .683 .726 MI 27.1 (13.0/14.1) 12530 287 260 186 .431 .141 .124 .647 .690 .733

TK .455" ROLLERS These higher lift designs are based on the original TK series rollers, but with higher lobe lift for applications with larger journals only.

THEORETICAL VALVE LIFT @ "0" LASH RATED DURATION IN DEGREES TAPPET LIFT @ TDC ROCKER ARM RATIO CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 1.5 1.6 1.7 1528 273 245 172 .455 .109 .093 .683 .728 .774 1530 277 249 176 .455 .118 .101 .683 .728 .774 TK - .455" 1532 281 253 179 .455 .127 .109 .683 .728 .774 Rated Duration @ .020" Tappet Lift 1534 285 257 183 .455 .135 .118 .683 .728 .774 1536 289 261 187 .455 .144 .126 .683 .728 .774 Journal = B,F,R,M 1538 293 265 190 .455 .153 .135 .683 .728 .774 MI 28.2 (13.8/14.4) 1540 297 269 194 .455 .162 .144 .683 .728 .774 1542 301 273 198 .455 .170 .154 .683 .728 .774 SOLID ROLLER 1.8 1.7 .790 .790 .790 .799 .799 .799 .799 .799 .799 1.7 1.6 .746 .746 .746 .752 .752 .752 .752 .752 .752 ROCKER ARM RATIO ROCKER ARM RATIO 1.6 1.5 .702 .702 .702 .705 .705 .705 .705 .705 .705 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° .147 .151 .155 .097 .105 .113 .122 .131 .140 106° 106° .165 .169 .173 .114 .123 .131 .140 .149 .158 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .439 .439 .439 .470 .470 .470 .470 .470 .470 LOBE LIFT LOBE LIFT 196 198 200 175 179 183 187 190 194 @ .200 @ .200 274 276 278 248 252 256 260 264 268 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 304 306 308 276 280 284 288 292 296 RATED RATED RATED RATED DURATION DURATION 1519 1520 1521 1522 1523 1524 12100 12102 12103 LOBE # LOBE # DIX SP-TK CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Journal = B,F,R,M Journal = B,F,R,M MI 29.6 (14.2/15.4) MI 28.2 (13.8/14.4) The DIX series is similar to the RX but with substantially more area under the curve..The DIX series is similar to the RX but with substantially DIX ROLLERS These higher lift designs are based on the TK .455" series rollers, but have faster opening side velocities and more lobe lift. For use with 1.948" or larger use with 1.948" or For but have and more lobe lift. faster opening side velocities rollers, TK .455" series on the lift designs are based These higher journals only. TK HL & SP-TK HI LIFT ROLLERS SP-TK HI LIFT TK HL & ROLLER

The UBL Rollers are based on the UB Roller designs but are faster off the seat for improved performance in limited engine speed and lower lobeliftapplications. forimprovedperformanceinlimitedenginespeedandlower The UBLRollersarebasedontheUBRollerdesignsbutfasteroffseat UBL ROLLERS SOLID similar totheHXL, aclear butcertainportdesignsandvalvetrainsystemswillhave preference. withrollerlifters. velocity allowed additional tappet slightlylesshighliftarea. thantheHXLSeriesbuthave These arequickerofftheseat Performance willbe The UB Series Rollers are based on some of our most popular highRPM, of the designs but areoptimized to take advantage tappet NASCAR-style .875" flat UB ROLLERS MI 29.4(14.4/15.0) MI 29.4(14.4/15.0) Journal =B,F,R,M Journal =B,F,R,M Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE IXLL UBL UB SOLID ROLLER LOBE # LOBE # 2381 2380 2245 2244 2243 2242 2241 2240 2239 2238 2247 2246 2215 2214 2199 2198 2196 2195 2281 2280 2279 2278 2277 2276 2275 2274 2273 2267 2265 DURATION DURATION RATED RATED 313 311 309 307 305 303 301 299 297 295 293 291 289 287 299 295 287 283 305 303 301 299 297 295 293 291 289 287 285 DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 283 281 279 277 275 273 271 269 267 265 263 261 259 257 270 266 258 254 275 273 271 269 267 265 263 261 259 257 255 @.200 @.200 @.200 204 202 200 198 196 194 192 190 188 186 185 183 181 179 189 185 179 174 195 193 191 189 187 185 183 181 179 178 176 LOBE LIFT LOBE LIFT .459 .458 .457 .456 .455 .454 .453 .452 .451 .450 .449 .448 .447 .446 .410 .410 .410 .410 .438 .436 .434 .432 .430 .428 .427 .426 .425 .424 .423 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .181 .177 .172 .168 .164 .160 .156 .152 .147 .143 .139 .135 .130 .126 .152 .144 .128 .120 .163 .159 .155 .150 .146 .142 .138 .134 .130 .126 .122 106° 106° 106° .164 .159 .155 .151 .147 .143 .139 .135 .130 .128 .122 .118 .114 .110 .136 .128 .113 .105 .146 .142 .138 .134 .130 .126 .122 .118 .114 .110 .106 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT @"0"LASH .734 .733 .731 .730 .728 .726 .725 .723 .722 .720 .718 .717 .715 .714 .656 .656 .656 .656 .745 .741 .738 .734 .731 .728 .726 .724 .723 .721 .719 1.7 1.6 1.6 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .780 .779 .777 .775 .774 .772 .770 .768 .767 .765 .763 .762 .760 .758 .697 .697 .697 .697 .788 .785 .781 .778 .774 .770 .769 .767 .765 .763 .761 1.8 1.7 1.7 .826 .824 .823 .821 .819 .817 .815 .814 .812 .810 .808 .806 .805 .803 .738 .738 .738 .738 .832 .828 .825 .821 .817 .813 .811 .809 .808 .806 .804 1.9 1.8 1.8 SOLID ROLLER 1.7 1.8 2.1 .777 .780 .784 .787 .791 .817 .770 .819 .774 .821 .777 .780 .784 .799 .803 .806 .810 .814 .817 .821 .824 .828 .832 .835 .837 1.6 1.7 2.0 .731 .734 .738 .741 .744 .725 .778 .780 .728 .782 .731 .734 .738 .755 .758 .762 .765 .768 .772 .775 .779 .782 .785 .789 .791 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.6 1.9 .686 .689 .692 .695 .698 .680 .739 .741 .683 .743 .686 .689 .692 .710 .714 .717 .720 .723 .726 .730 .733 .736 .739 .742 .744 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° 110° .137 .142 .145 .150 .154 .122 .116 .119 .126 .123 .130 .134 .139 .110 .114 .118 .122 .126 .131 .135 .139 .144 .148 .152 .157 106° 106° 106° .155 .159 .163 .167 .172 .139 .131 .135 .143 .139 .147 .152 .156 .126 .131 .135 .139 .144 .148 .153 .157 .161 .166 .170 .175 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .457 .459 .461 .463 .465 .453 .389 .390 .455 .391 .457 .459 .461 .444 .446 .448 .450 .452 .454 .456 .458 .460 .462 .464 .465 LOBE LIFT LOBE LIFT LOBE LIFT 191 193 195 197 199 185 177 179 187 181 189 191 193 179 181 183 185 187 189 191 193 195 197 199 201 @ .200 @ .200 @ .200 268 270 272 274 276 261 260 262 263 264 265 267 269 256 258 260 262 264 266 268 270 272 274 276 278 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 295 297 299 301 303 290 289 291 292 293 294 296 298 285 287 289 291 293 295 297 299 301 303 305 307 RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION 2730 2731 2571 2590 2591 2682 2201 2202 2683 2203 2570 2582 2583 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 LOBE # LOBE # LOBE # GCI GCX UBA UBLL CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Journal = B,F,R,M Journal = B,F,R,M Journal = B,F,R,M Journal = B,F,R,M MI 27.5 (13.2/14.3) MI 28.7 (13.8/14.9) MI 28.6 (13.9/14.7) MI 28.6 (13.9/14.7) GCI & GCX ROLLERS The GCI and GCX lobes have some of the other modern profiles but have a bit more ramp than excellent area. The UBLL Rollers are based on the UB Roller designs but are faster off the seatThe UBLL Rollers are based on the UB Roller designs in limited engine speed and lower for improved performance lobe lift applications. UBLL ROLLERS The UBA Series is based on the UB design but is faster off the seat but is faster off the is based on the UB design The UBA Series speed applications. in limited engine for improved performance UBA ROLLERS ROLLER

The LPD and XPD are faster 24 hour endurance roller cam applications or where quicker profiles can be used in well optimized applications. orwherequickerprofilescanbeusedinwelloptimized The LPDandXPDarefaster24hourendurancerollercamapplications LDP XDPENDURANCEROLLERS SOLID roller cams. overto The ULGandUVXaresmootherthantheUBLLforevenhigherrockerratios, highratios especiallyforconvertingolderNASCARCupengineswithvery ULG UVXHIGHRATIO ROLLERS MI 30.4(14.8/15.6) MI 29.9(14.2/15.7) MI 28.7(13.6/15.1) Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .006" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE XDP ULG LDP UVX SOLID ROLLER LOBE # LOBE # 14013 14008 14006 14004 20414 20413 20412 20410 20404 20402 20401 20400 DURATION DURATION RATED RATED 304 290 286 282 277 275 273 269 276 272 270 268 DURATION INDEGREES DURATION INDEGREES @.050 @.050 272 260 256 252 247 245 243 239 247 243 241 239 @.200 @.200 183 175 171 167 166 164 162 159 170 166 164 163 LOBE LIFT LOBE LIFT .388 .388 .388 .388 .369 .369 .369 .369 .397 .397 .397 .397 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .145 .129 .122 .114 .109 .105 .101 .093 .110 .102 .098 .094 106° 106° .131 .114 .107 .100 .093 .090 .086 .079 .094 .087 .083 .079 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .815 .815 .815 .815 .664 .664 .664 .664 .715 .715 .715 .715 1.8 2.1 ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM .854 .854 .854 .854 .701 .701 .701 .701 .754 .754 .754 .754 1.9 2.2 .892 .892 .892 .892 .738 .738 .738 .738 .794 .794 .794 .794 2.0 2.3 SOLID ROLLER 1.7 1.8 .851 .859 .866 .869 .873 .880 .934 .801 .945 .808 .956 .811 .967 .814 .972 .818 .977 .821 .983 .825 .988 .828 .831 .835 .838 .842 .842 .842 .842 .842 .842 .842 1.6 1.7 .804 .811 .818 .821 .825 .831 .882 .754 .893 .760 .903 .763 .913 .766 .918 .770 .923 .773 .928 .776 .933 .779 .782 .786 .789 .792 .792 .792 .792 .792 .792 .792 ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.6 .757 .763 .770 .773 .776 .782 .830 .707 .840 .713 .850 .716 .859 .719 .864 .722 .869 .725 .874 .728 .878 .731 .734 .737 .740 .743 .743 .743 .743 .743 .743 .743 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° .126 .135 .143 .147 .152 .160 .127 .122 .135 .131 .144 .135 .153 .140 .158 .144 .162 .150 .167 .154 .171 .159 .164 .169 .174 .179 .183 .188 .193 .198 .203 .207 106° 106° .143 .151 .160 .165 .169 .178 .144 .140 .153 .150 .162 .154 .171 .159 .176 .164 .181 .169 .185 .174 .190 .179 .183 .189 .193 .199 .203 .208 .213 .218 .222 .227 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .473 .477 .481 .483 .485 .489 .519 .471 .525 .475 .531 .477 .537 .479 .540 .481 .543 .483 .546 .485 .549 .487 .489 .491 .493 .495 .495 .495 .495 .495 .495 .495 LOBE LIFT LOBE LIFT 186 190 194 196 198 202 188 187 192 191 196 193 200 195 202 197 204 199 206 201 208 203 205 207 209 211 213 215 217 219 221 223 @ .200 @ .200 266 270 274 276 278 282 266 260 270 264 274 266 278 268 280 270 282 272 284 274 286 276 278 280 282 284 286 288 290 292 294 296 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 297 301 305 307 309 313 297 288 301 292 305 294 309 296 311 298 313 300 315 302 317 304 306 308 310 312 314 316 318 320 322 324 RATED RATED RATED RATED DURATION DURATION 14280 14282 14284 14285 14286 14288 12476 12183 12478 12185 12480 12187 12482 12188 12483 12189 12484 12190 12485 12191 12486 12192 12193 12194 12195 12196 12197 12230 12231 12232 12233 12234 LOBE # LOBE # HPX DLB DLB LL Journal = R,M CAMSHAFT TYPE CAMSHAFT TYPE Journal = B,R,M Journal = B,R,M .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ MI 30.6 (15.0/15.6) MI 30.6 (15.0/15.6) MI 28.5 (14.0/14.5) The DLB rollers are very smooth, higher RPM profiles similar to both the TS and DRZ Drag profiles. These are a very good choice for any extremely high RPM Drag TS and DRZ profiles. RPM profiles similar to both the higher The DLB rollers are very smooth, Require high rate valve springs. drag high RPM and a wide power racing or mid-endurance application range. that high lift, require DLB ROLLERS The HPX Rollers are higher lift, more aggressive versions of the HXX lobes for use in larger journal applications. These also work well with less rocker ratio work well with less rocker These also and aggressive more in larger journal applications. of the HXX lobes for use versions are higher lift, The HPX Rollers or exhaust. can be used on the intake HPX ROLLERS ROLLER

applications whereyoucanuseafasterlobe. applications The DSPRollersfitnicelybetweentheUBAandDSSfamilies. ratio,lower enginespeed lower orin eitherin applications Theseprofilesworkgreat highRPM DSP ROLLERS SOLID under9500RPM. operated that applications valvesprings. rate uselower that The DNWrollersaresimilartotheDLBseriesbutworkwellinlongerenduranceapplications Very goodforshortduration DNW ROLLERS MI 28.5(13.8/14.7) MI 30.8(15.0/15.8) Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift Journal =B,R,M Journal =F,R,M CAMSHAFT TYPE CAMSHAFT TYPE DNW Pro DSP SOLID ROLLER LOBE # LOBE # 12182 12181 12180 12179 12178 12177 12176 12174 12172 12171 12170 11908 11906 11904 11903 11902 11892 11891 11890 11889 11888 DURATION DURATION RATED RATED 303 301 299 297 295 293 291 287 283 281 279 312 308 304 302 300 300 298 296 294 292 DURATION INDEGREES DURATION INDEGREES @.050 @.050 274 272 270 268 266 264 262 258 254 252 250 281 277 273 271 269 269 267 265 263 261 @.200 @.200 199 197 195 193 191 189 187 183 179 177 175 206 202 198 196 194 194 192 190 188 186 LOBE LIFT LOBE LIFT .475 .474 .473 .472 .471 .470 .469 .467 .465 .463 .461 .567 .563 .559 .557 .555 .526 .524 .522 .520 .518 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .169 .165 .160 .155 .151 .146 .142 .133 .124 .120 .115 .184 .174 .164 .159 .155 .154 .150 .145 .140 .136 106° 106° .151 .146 .142 .137 .133 .128 .124 .115 .107 .103 .099 .164 .155 .145 .140 .136 .136 .131 .127 .123 .119 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .760 .758 .757 .755 .754 .752 .750 .747 .744 .741 .738 .851 .845 .839 .836 .833 .789 .786 .783 .780 .777 1.5 1.6 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .808 .806 .804 .802 .801 .799 .797 .794 .791 .787 .784 .964 .957 .950 .947 .944 .894 .891 .887 .884 .881 1.6 1.7 1.077 1.070 1.062 1.058 1.055 .855 .853 .851 .850 .848 .846 .844 .841 .837 .833 .830 .999 .996 .992 .988 .984 1.7 1.8 SOLID ROLLER 1.7 1.7 .853 .792 .860 .796 .867 .799 .874 .802 .881 .806 .887 .808 .891 .809 .894 .811 .898 .813 .901 .814 .910 .816 .910 .818 .910 .819 .910 .821 .823 .825 .826 .828 .830 .831 1.6 1.6 .803 .746 .810 .749 .816 .752 .822 .755 .829 .758 .835 .760 .838 .762 .842 .763 .845 .765 .848 .766 .856 .768 .856 .770 .856 .771 .856 .773 .774 .776 .778 .779 .781 .782 ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.5 .753 .699 .759 .702 .765 .705 .771 .708 .777 .711 .783 .713 .786 .714 .789 .716 .792 .717 .795 .719 .803 .720 .803 .722 .803 .723 .803 .725 .726 .728 .729 .731 .732 .734 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° .117 .096 .126 .100 .135 .104 .144 .109 .154 .113 .163 .117 .168 .121 .173 .125 .178 .130 .183 .134 .144 .139 .154 .143 .164 .148 .173 .152 .157 .161 .166 .170 .175 .180 106° 106° .135 .113 .144 .117 .154 .121 .163 .126 .173 .130 .183 .135 .188 .139 .193 .143 .198 .148 .203 .153 .164 .157 .174 .162 .184 .166 .193 .171 .176 .180 .185 .189 .194 .199 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .502 .466 .506 .468 .510 .470 .514 .472 .518 .474 .522 .475 .524 .476 .526 .477 .528 .478 .530 .479 .535 .480 .535 .481 .535 .482 .535 .483 .484 .485 .486 .487 .488 .489 LOBE LIFT LOBE LIFT 185 175 189 177 193 179 197 181 201 183 205 185 207 187 209 189 211 191 213 192 198 194 202 196 206 198 209 200 202 204 206 208 210 212 @ .200 @ .200 258 248 262 250 266 252 270 254 274 256 278 258 280 260 282 262 284 264 286 266 270 268 274 270 278 272 282 274 276 278 280 282 284 286 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 286 276 290 278 294 280 298 282 302 284 306 286 308 288 310 299 312 292 314 294 298 296 302 298 306 300 310 302 304 306 308 310 312 314 RATED RATED RATED RATED DURATION DURATION 2531 2545 2551 2555 2557 2559 2560 2521 2522 2523 2524 2525 2526 2527 2528 2529 12374 11503 12376 11504 12378 11505 12380 11506 12382 12384 12385 12386 14387 14388 14490 14492 14494 14496 LOBE # LOBE # DSL DSS Journal = R,M CAMSHAFT TYPE CAMSHAFT TYPE Journal = B,R,M .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ MI 28.4 (13.6/14.7) MI 28.0 (13.6/14.4) The DSL Rollers are based off the DSP and DSS Series but with increased lobe lift. The DSL Series is a very good choice for applications where valve motion Series but with increased lobe lift. The DSL Rollers are based off the DSP and DSS but cannot beAvailable for 55mm/2.165" and larger journal sizes similar to that of an aggressive high ratio lobe is desired without going with a high ratio. cores. Block Chevy or small base circle Small ground on standard journal Big Block Chevy, DSL ROLLERS The DSS Rollers are based off the best aspects of the HXL and DR Series. These work very applicationstorque in high well that advantagetake can aggressive of an Series. DR and HXL the of off the best aspects DSS Rollers are based The The DSS series is a veryfor applications good choice where valve motion similar to that aggressive of an high ratio lobe is desired without goinghigh lobe lift design. cores. journal Small Block Chevy or small base circle sizes but cannot be ground on standard Available for 1.948" and larger journal with an extreme rocker ratio. DSS ROLLERS ROLLER

give approximately thesamevalvemotionwhenusedwithabout+0.15morerockerratio. give approximately The DPDlobesarefor2.125", DSSSeries. 55mmorlargerjournalsandareslightlyquickerthantheaggressive The DPCcanbeusedonsmallerjournalsand DPC &DPDROLLERS SOLID openingversionoftheDSSwithaclosingThe DTTislikeaslower rampliketheDSL. These shouldbesmootherandbetterinhighRPM applications. DTT ROLLERS MI 28.6(13.6/15.0) MI 28.9(14.0/14.9) MI 27.8(13.2/14.6) Rated Duration @ Duration Rated @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE Journal =R,M Journal =R,M Journal =R,M DPD DPC DTT SOLID ROLLER LOBE # LOBE # 14026 14025 12654 14024 12652 14023 12650 14022 12649 14021 12648 14020 11710 11737 11736 12754 12753 12752 12751 12750 12749 12748 12746 11734 11732 11730 11728 DURATION DURATION RATED RATED 312 310 290 308 286 306 282 304 280 302 278 300 284 296 294 292 290 288 286 284 282 280 276 272 268 264 260 DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 283 281 261 279 257 277 253 275 251 273 249 271 256 268 266 264 262 260 258 256 254 252 248 244 240 236 232 @.200 @.200 @.200 207 205 185 203 182 201 177 199 176 197 174 195 185 196 194 192 190 188 187 185 183 181 177 173 169 165 161 LOBE LIFT LOBE LIFT .4777 .4777 .4777 .4777 .4777 .4777 .4777 .4777 .4777 .4757 .4737 .4717 .4697 .4677 .492 .490 .440 .488 .440 .486 .440 .484 .440 .482 .440 .480 .484 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .191 .186 .140 .182 .131 .177 .122 .173 .118 .168 .114 .164 .133 .161 .156 .152 .147 .142 .137 .133 .128 .124 .115 .106 .098 .090 .082 106° 106° 106° .173 .168 .122 .164 .114 .159 .106 .155 .102 .150 .098 .146 .115 .142 .137 .133 .128 .124 .119 .115 .110 .106 .098 .090 .082 .075 .068 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .738 .735 .748 .732 .748 .729 .748 .726 .748 .723 .748 .720 .799 .788 .788 .788 .788 .788 .788 .788 .788 .788 .785 .782 .778 .775 .772 1.65 1.7 1.6 ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM .787 .784 .792 .781 .792 .778 .792 .774 .792 .771 .792 .768 .847 .836 .836 .836 .836 .836 .836 .836 .836 .836 .832 .829 .825 .822 .818 1.75 1.8 1.7 .836 .833 .836 .830 .836 .826 .836 .823 .836 .819 .836 .816 .895 .884 .884 .884 .884 .884 .884 .884 .884 .884 .880 .876 .873 .869 .865 1.85 1.9 1.8 SOLID ROLLER 1.7 1.7 .791 .277 .277 .277 .277 .277 .277 .277 .784 .785 .787 .791 .791 .791 .791 .768 .768 .791 .791 .791 .791 .791 .791 .791 .801 1.6 1.6 .744 .260 .260 .260 .260 .260 .260 .260 .738 .739 .741 .744 .744 .744 .744 .723 .723 .744 .744 .744 .744 .744 .744 .744 .754 ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.5 .698 .244 .244 .244 .244 .244 .244 .244 .692 .693 .695 .698 .698 .698 .698 .678 .678 .698 .698 .698 .698 .698 .698 .698 .707 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° .109 .118 .127 .136 .145 .150 .155 .164 .095 .099 .103 .112 .120 .125 .129 .133 .138 .140 .149 .141 .145 .150 .155 .159 .164 .169 .150 106° 106° .127 .136 .145 .155 .164 .169 .174 .183 .112 .116 .120 .129 .138 .143 .147 .152 .157 .159 .168 .159 .164 .169 .173 .175 .182 .187 .169 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .465 .465 .465 .465 .465 .465 .465 .465 .461 .462 .463 .465 .465 .465 .465 .465 .465 .452 .452 .465 .465 .465 .465 .465 .465 .465 .471 LOBE LIFT LOBE LIFT 181 185 189 193 197 199 201 205 174 176 178 182 186 188 190 192 194 194 198 195 197 199 201 203 205 206 199 @ .200 @ .200 253 257 261 265 269 271 273 277 247 249 251 255 259 261 263 265 267 269 273 269 271 273 275 277 279 281 273 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 280 284 288 292 296 298 300 304 274 276 278 282 286 288 290 292 294 297 301 297 299 301 303 305 307 309 301 RATED RATED RATED RATED DURATION DURATION 11607 11609 11611 11113 11115 11116 11117 11119 12899 12900 12901 12905 12907 12908 12909 12910 12604 12322 12324 12300 12301 12303 12304 12305 12306 12307 11711 LOBE # LOBE # HOI HOX XDP Series Journal = R,M Journal = R,M CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ MI 26.9 (13.1/13.8) MI 27.3 (13.2/14.1) MI 28.5 (14.0/14.5) The XDP Rollers are based off the DPD and HPX series, with short lash ramps for tight lash applications. Can be used for either intake or exhaust side and provide with short lash ramps for tight lash applications. The XDP Rollers are based off the DPD and HPX series, outstanding area along with short seat timing. XDP ROLLERS The HOI design is like the UBA but faster without the lobe lift of the DSS. The HOX fits in between the HPX and HXX series in terms of lift but is almost as of lift but is almost HPX and HXX series in terms fits in between the aggres- The HOX the DSS. without the lobe lift of is like the UBA but faster The HOI design These work very lower well with either ratios or with less extreme engine speed. sive as the high lift HPX family. HOI & HOX ROLLERS HOI & HOX ROLLER

Eliminator andsimilarhighRPMsmalldisplacementenginesoperate. Eliminator large port, RaceIntakeprofilesareintendedforvery The CEDrag highflow applications. cylinderhead TheyworkwellinthehighRPMrangewhereComp CE DRAGRACEINTAKE ROLLERS for55mm+journalsizes,The KZURollerlobesareextremelyaggressive .900"rollerwheels, rocker ratios. andlower These areevenonesteppasttheULseries. KZU ROLLERS SOLID Stock class racing whencomponentlifemaybe2-4passesorlimitedenginespeedapplications. These arenotforthefaintofheart. for55mm+journalsizes,The ULRollerlobesareextremelyaggressive .850"rollerwheels, rockerratios. likeSuper andlower Bestforuseineitherapplications UL ROLLERS Journal =N,S,B,R… MI 24.9(12.3/12.6) MI 40.0(20.0/20.0) MI 25.6(12.6/13.0) Journal =RN,RH,M Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift Journal =RG,M CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE CE Drag Race CE Drag KZU Rollers UL Rollers SOLID ROLLER SOLID ROLLER(D=DRAGBASEINTAKE) LOBE # LOBE # LOBE # 11958 11957 11956 11955 11954 11928 11926 11924 11922 11920 11919 11918 1272 1271 1268 1278 1260 1295 1288 1286 DURATION DURATION DURATION RATED RATED RATED 307 305 303 301 299 322 320 320 318 318 316 314 310 315 311 307 303 299 297 295 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 282 280 278 276 274 286 284 284 282 282 280 278 274 289 285 281 277 273 271 269 @.200 @.200 @.200 219 217 215 213 211 198 198 196 196 194 194 192 189 224 220 216 212 208 206 205 LOBE LIFT LOBE LIFT LOBE LIFT .547 .547 .547 .547 .547 .478 .484 .476 .484 .474 .484 .484 .484 .545 .545 .545 .545 .545 .545 .545 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .222 .216 .210 .205 .199 .169 .174 .165 .170 .160 .166 .162 .154 .235 .224 .213 .201 .190 .184 .178 106° 106° 106° .198 .193 .187 .181 .175 .152 .157 .148 .153 .144 .150 .146 .138 .212 .201 .190 .178 .167 .161 .156 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .821 .821 .821 .821 .821 .765 .774 .762 .774 .758 .774 .774 .774 .818 .818 .818 .818 .818 .818 .818 1.5 1.5 1.6 ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .875 .875 .875 .875 .875 .813 .823 .809 .823 .806 .823 .823 .823 .872 .872 .872 .872 .872 .872 .872 1.6 1.6 1.7 .930 .930 .930 .930 .930 .860 .871 .857 .871 .853 .871 .871 .871 .927 .927 .927 .927 .927 .927 .927 1.7 1.7 1.8 SOLID ROLLER 1.9 1.7 1.8 .867 .867 .982 .791 .998 .775 .988 .801 .775 .809 .821 .816 .775 .809 .809 .936 .936 .936 .936 1.8 1.6 1.7 .816 .816 .931 .744 .945 .730 .936 .754 .730 .762 .773 .768 .730 .762 .762 .884 .884 .884 .884 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.7 1.5 1.6 .765 .765 .879 .698 .893 .684 .884 .707 .684 .714 .725 .720 .684 .714 .714 .832 .832 .832 .832 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° 110° .171 .180 .187 .144 .197 .154 .182 .155 .161 .163 .162 .163 .167 .171 .178 .147 .152 .157 .162 106° 106° 106° .188 .198 .206 .161 .216 .171 .201 .172 .177 .180 .179 .180 .184 .188 .195 .166 .171 .176 .181 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .510 .510 .517 .465 .525 .456 .520 .471 .456 .476 .483 .480 .456 .476 .476 .520 .520 .520 .520 LOBE LIFT LOBE LIFT LOBE LIFT 207 211 214 195 218 198 214 200 201 203 203 203 204 206 209 198 200 202 204 @ .200 @ .200 @ .200 288 293 292 278 296 284 294 284 288 288 288 287 292 292 296 275 277 279 281 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 322 326 324 318-6 324-7 324-6 328-6 328-5 332-7 332-6 336-4 RATED RATED RATED RATED RATED RATED 324-30 326-30 328-11 330-10 306-31 308-31 310-31 312-31 DURATION DURATION DURATION 1030 1046 1027 1301 1028 1309 1240 1302 4107 4068 4085 4091 4063 1490 4118 1186 1188 1176 1180 LOBE # LOBE # LOBE # CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE Dash 31 Rollers Mountain Motor 24.9 (12.3/12.6) High RPM Intake High RPM Intake .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ MI 35.0 (14.3/20.7) MI 29.6 (14.1/15.5) MI 40.0 (20.0/20.0) MI 31.0 (15.5/15.5)MI MOUNTAIN MOTOR ROLLERS MOUNTAIN and/or nitrous applications that blown, respond favorably to more area and areThese are assorted intake profiles that have been developed for large cubic inch, These have been used with high rocker ratios in over 1.000" valve lift in lower to result RPM applications. not required to run over 9000 RPM. DASH 31 ROLLERS These have been used successfully The Dash 31 Rollers are a more aggressive cousin of the original -30 lobes that were popular in Pro Stock in the early 90s. These profiles result in excellent torque and make very good power up to thein Pro Stock but are preferred for use in applications operating below 9000 RPM. limiting speed of the valve train. The High RPM Intake Roller is used on highly modified, high RPM drag race motors. They are used primarily with ported heads thatused primarily with ported They are incorporate lightweight high RPM drag race motors. on highly modified, Intake Roller is used The High RPM valves and high spring loads. HIGH RPM INTAKE ROLLERS INTAKE HIGH RPM ROLLER

Comp Eliminator andProStock. Comp Eliminator andstabilitywhilenotsacrificingtorque. ofhighRPMpower fromhighendbracketenginesto provide anoutstandingcombination applications Excellentin RaceRollersaresimilar to the REV designs,The RX Drag more lift and use sectionsofourpopular RX ramp. excepttheyhave proven to These designs have RX DRAGRACEINTAKE ROLLERS SOLID applications. When coupledwithhighrockerratios, designs. theseprofilesprovidemoreareathancomparablestandardratio rampdesignstoprovideexcellenttorque, RaceRollersusesomeofthelatest race The REVDrag andhighspeedstabilityforRPMcompetitiondrag power REV DRAGRACEINTAKE ROLLERS Journal =N,S,B,R… Journal =N,S,B,R… Journal =N,S,B,R… MI 32.6(15.5/17.1) MI 32.6(15.5/17.1) MI 32.6(15.5/17.1) Rated Duration @ Duration Rated Rated Duration @ Duration Rated @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE .484" LobeLift .470" LobeLift REV Drag Race REV Drag RX Drag Race RX Drag RX Drag Race RX Drag SOLID ROLLER LOBE # LOBE # 1832 1831 1719 1829 1828 1827 1826 1820 1819 1718 1817 1816 1815 1814 1846 1813 1845 1812 1844 1811 1843 1810 1842 1809 1841 1808 1840 1807 1839 1806 1771 1770 DURATION DURATION RATED RATED 322 320 318 316 314 312 310 322 320 318 316 314 312 310 319 308 317 306 315 304 313 302 311 300 309 298 307 296 305 294 303 301 DURATION INDEGREES DURATION INDEGREES @.050 @.050 289 287 285 283 281 279 277 289 287 285 283 281 279 277 286 275 284 273 282 271 280 269 278 267 276 265 274 263 272 261 270 268 @.200 @.200 208 206 204 203 201 199 197 208 206 204 202 200 198 196 205 195 203 193 201 191 199 189 198 187 196 185 194 183 192 181 190 188 LOBE LIFT LOBE LIFT .484 .484 .484 .484 .484 .484 .484 .470 .470 .470 .470 .470 .470 .470 .460 .470 .460 .470 .460 .470 .460 .470 .460 .470 .460 .470 .460 .470 .460 .470 .460 .460 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .191 .188 .183 .179 .174 .170 .165 .191 .186 .183 .178 .174 .169 .165 .186 .161 .181 .156 .177 .152 .173 .148 .169 .143 .164 .139 .160 .135 .156 .131 .152 .147 106° 106° .174 .169 .165 .161 .156 .152 .148 .173 .169 .165 .160 .156 .152 .147 .168 .143 .164 .139 .160 .135 .156 .131 .151 .127 .147 .122 .143 .118 .139 .114 .135 .130 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .774 .774 .774 .774 .774 .774 .774 .752 .752 .752 .752 .752 .752 .752 .736 .752 .736 .752 .736 .752 .736 .752 .736 .752 .736 .752 .736 .752 .736 .752 .736 .736 1.6 1.6 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .823 .823 .823 .823 .823 .823 .823 .799 .799 .799 .799 .799 .799 .799 .782 .799 .782 .799 .782 .799 .782 .799 .782 .799 .782 .799 .782 .799 .782 .799 .782 .782 1.7 1.7 .871 .871 .871 .871 .871 .871 .871 .846 .846 .846 .846 .846 .846 .846 .828 .846 .828 .846 .828 .846 .828 .846 .828 .846 .828 .846 .828 .846 .828 .846 .828 .828 1.8 1.8 SOLID ROLLER 1.8 .878 .884 .886 .887 .893 .895 .898 .900 .927 .927 .927 .927 .927 .927 .927 .927 .927 .927 1.7 .830 .835 .836 .838 .843 .845 .848 .850 .876 .876 .876 .876 .876 .876 .876 .876 .876 .876 ROCKER ARM RATIO 1.6 .781 .786 .787 .789 .794 .795 .798 .800 .824 .824 .824 .824 .824 .824 .824 .824 .824 .824 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° .143 .148 .152 .156 .160 .165 .170 .174 .148 .152 .157 .161 .166 .170 .175 .184 .192 .201 106° .161 .165 .170 .175 .180 .184 .188 .193 .166 .170 .175 .180 .184 .189 .193 .202 .211 .220 TAPPET LIFT @ TDC LIFT @ TAPPET .488 .491 .492 .493 .496 .497 .499 .500 .515 .515 .515 .515 .515 .515 .515 .515 .515 .515 LOBE LIFT 195 197 199 201 203 205 207 209 197 199 201 203 205 207 209 213 217 220 @ .200 275 277 279 281 283 285 287 289 277 279 281 283 285 287 289 293 297 301 @ .050 DURATION IN DEGREES DURATION 308 310 312 314 316 318 320 322 310 312 314 316 318 320 322 326 330 334 RATED RATED DURATION 1722 1724 1726 1727 1728 1729 1730 1739 1742 1743 1744 1736 1745 1737 1746 1747 1748 1749 LOBE # RX Drag Race .515" Lobe Lift CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet RX Pro Drag Race Rated Duration @ Rated Duration @ MI 32.6 (15.5/17.1) MI 32.6 (15.5/17.1) Journal = S,B,F,R… Journal = B,F,R,M… These use the same ramps as the RX Drag same ramps as the RX These use the have Race .484" lobes but applications. more lift for all out RX PRO DRAG RACE INTAKE ROLLERS DRAG RACE INTAKE RX PRO ROLLER

head applications and work well in the high RPM range where Comp Eliminator andsimilarhighRPMsmalldisplacementenginesoperate. andworkwellinthehighRPMrangewhereCompEliminator head applications RaceExhaustprofilesaregoodcomplementstoeithertheCE,The JXDrag REVorRXintakedesigns. largeport, Theyareintendedforvery highflow cylinder JX DRAGRACEEXHAUSTROLLERS SOLIDThese lobesareusedontheexhaustsideofhighlymodified, highRPMraceengines. The cylinder headefficiency directlydeterminesthedesignused. HIGH RPMEXHAUSTROLLERS Journal =N,S,B,R… MI 40.0(20.0/20.0) MI 41.5(20.7/20.7) High RPMExhaust Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE JX Drag Race JX Drag SOLID ROLLER(E=DRAGBASEEXHAUST) SOLID ROLLER LOBE # LOBE # 4057 4056 1152 4053 4052 1494 4064 4051 1489 1306 1487 4247 1485 1320 1484 4055 1495 4074 4067 4050 1273 1293 1269 1289 1263 1291 1287 1261 1285 DURATION DURATION RATED RATED 360-5 356-5 352-1 348-1 344-5 344-4 344-3 342-3 342-2 340-3 338-2 336-5 334-3 332-2 330-5 330-1 328-2 326-4 322-3 319-1 343 341 341 339 339 337 335 335 333 DURATION INDEGREES DURATION INDEGREES @.050 @.050 320 316 312 308 304 304 304 302 302 300 300 296 296 292 292 292 291 288 284 280 302 300 300 298 298 296 294 294 292 @.200 @.200 230 227 222 217 214 211 214 210 207 208 204 205 200 203 196 196 222 194 190 185 205 203 203 202 201 200 198 198 196 LOBE LIFT LOBE LIFT .480 .480 .477 .460 .460 .440 .470 .460 .420 .440 .420 .440 .420 .440 .420 .420 .427 .420 .420 .400 .450 .460 .448 .460 .446 .460 .460 .446 .460 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .238 .231 .222 .212 .207 .201 .207 .198 .192 .193 .185 .188 .179 .182 .173 .168 .181 .166 .160 .152 .187 .183 .183 .179 .179 .175 .171 .171 .167 106° 106° .221 .214 .205 .195 .190 .185 .190 .182 .177 .177 .171 .172 .165 .166 .158 .152 .165 .151 .145 .137 .171 .167 .167 .163 .163 .160 .156 .156 .152 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .720 .720 .716 .690 .690 .660 .705 .690 .630 .660 .630 .660 .630 .660 .630 .630 .641 .630 .630 .600 .720 .736 .717 .736 .714 .736 .736 .714 .736 1.5 1.6 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .768 .768 .763 .736 .736 .704 .752 .736 .672 .704 .672 .704 .672 .704 .672 .672 .683 .672 .672 .640 .765 .782 .762 .782 .758 .782 .782 .758 .782 1.6 1.7 .816 .816 .811 .782 .782 .748 .799 .782 .714 .748 .714 .748 .714 .748 .714 .714 .726 .714 .714 .680 .810 .828 .806 .828 .803 .828 .828 .803 .828 1.7 1.8 SOLID ROLLER - 1.8 .828 .810 .846 .810 .846 .846 .810 .846 .810 .846 .810 .846 .810 .846 .871 .871 .871 .871 .871 .871 .871 .871 .871 .871 .871 .871 .900 .904 .907 .911 .914 .918 .922 .925 .929 .936 .940 1.7 .782 .765 .799 .765 .799 .799 .765 .799 .765 .799 .765 .799 .765 .799 .823 .823 .823 .823 .823 .823 .823 .823 .823 .823 .823 .823 .850 .853 .857 .860 .864 .867 .870 .874 .877 .884 .887 ROCKER ARM RATIO 1.6 .736 .720 .752 .720 .752 .752 .720 .752 .720 .752 .720 .752 .720 .752 .774 .774 .774 .774 .774 .774 .774 .774 .774 .774 .774 .774 .800 .803 .806 .810 .813 .816 .819 .822 .826 .832 .835 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° .146 .154 .158 .162 .162 .166 .170 .175 .178 .183 .186 .191 .194 .200 .142 .150 .158 .167 .175 .184 .192 .196 .200 .205 .209 .222 .167 .171 .175 .180 .184 .188 .193 .197 .202 .206 .210 106° .162 .170 .175 .179 .179 .183 .187 .192 .195 .200 .203 .209 .211 .217 .159 .167 .175 .184 .192 .201 .210 .214 .218 .222 .226 .239 .184 .188 .193 .197 .202 .206 .211 .215 .220 .224 .229 TAPPET LIFT @ TDC LIFT @ TAPPET .460 .450 .470 .450 .470 .470 .450 .470 .450 .470 .450 .470 .450 .470 .484 .484 .484 .484 .484 .484 .484 .484 .484 .484 .484 .484 .500 .502 .504 .506 .508 .510 .512 .514 .516 .520 .522 LOBE LIFT 194 198 200 202 202 204 206 208 210 212 214 216 217 220 193 197 201 205 209 212 216 218 220 222 224 230 205 207 209 211 213 215 217 219 221 223 225 @ .200 282 286 288 290 290 292 294 296 298 300 302 304 306 308 280 284 288 292 296 300 304 306 308 310 312 318 292 294 296 298 300 302 304 306 308 310 312 @ .050 DURATION IN DEGREES DURATION 320 324 326 328 328 330 332 334 336 338 340 342 344 346 318 322 326 330 334 338 342 344 346 348 350 356 330 332 334 336 338 340 342 344 346 348 350 RATED RATED DURATION 1850 1960 1860 1962 1861 1862 1964 1864 1966 1866 1968 1868 1970 1870 1751 1752 1753 1758 1759 1760 1761 1763 1772 1785 1773 1777 1871 1872 1873 1874 1875 1876 1877 1878 1879 1869 1893 LOBE # XCX .484 Drag XCX Drag Race CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ XCX Pro Drag Race MI 38.0 (19.0/19.0) MI 38.0 (19.0/19.0) MI 38.0 (19.0/19.0) Journal = S,B,F,R… Journal = B,F,R,M… Journal = N,S,B,R… The XCX Rrollers provide state-of-the-artThe XCX Rrollers losses and allow to decrease pumping ramp characteristics required ramp designs with the gasses from over exhaust XCX DRAG RACE EXHAUST ROLLERS RACE EXHAUST XCX DRAG lap to provide signal to accelerate the intake charge into the cylinder in large port, drag race applications. These modern designs are very and respond stable drag race applications. in large port, lap to provide signal to accelerate the intake charge into the cylinder well to rocker ratio increases. ROLLER

SOLID cylinder. stiffvalvetrainsystemswith60mmjournalsandlarger,These profilesaredesignedforvery 0.850"diameterrollerlifterwheels. bottomdeadcenter, helpsmovemoreexhaustgasat opening acceleration reducinglossesasthe piston comesup, drivingtheremainingexhaustfrom rates, RacelobesareliketheXCXbutwithhigheracceleration The XJXDrag morelift, andmoreareaunderthecurve. The asymmetricdesignwithhigher XJX DRAGEXHAUSTROLLERS Journal =B,F,R,M… MI 37.6(18.1/19.5) Rated Duration @ Duration Rated .020" TappetLift CAMSHAFT TYPE XJX Drag Exh. XJX Drag SOLID ROLLER LOBE # 11107 11106 11105 11104 11003 11103 11002 11001 11000 1699 1688 1687 1686 1685 1245 1684 1227 1112 1683 1239 1111 1110 1682 1108 1681 1886 1680 2054 1884 1880 DURATION RATED 352 350 348 348 346 346 344 344 344 342 342 342 341 341 340 340 340 340 339 338 338 336 336 334 334 334 334 334 332 324 DURATION INDEGREES @.050 314 312 310 310 308 308 306 306 306 304 304 304 303 303 302 302 302 302 301 300 300 298 298 296 296 296 296 296 294 286 @.200 232 230 228 228 226 226 224 224 223 222 222 221 221 220 220 220 220 219 218 218 218 216 216 214 214 214 214 213 212 204 LOBE LIFT .556 .554 .569 .552 .567 .550 .565 .548 .525 .563 .546 .525 .543 .524 .561 .544 .535 .523 .522 .542 .521 .540 .532 .538 .532 .526 .517 .502 .522 .502 TAPPET LIFT@ TDC .249 .245 .240 .240 .234 .234 .229 .229 .226 .224 .224 .222 .214 .219 .219 .219 .218 .217 .215 .214 .212 .209 .209 .204 .204 .203 .203 .201 .199 .179 106° .230 .225 .220 .220 .214 .214 .209 .209 .207 .204 .204 .202 .194 .200 .199 .199 .198 .198 .195 .194 .193 .189 .189 .184 .185 .184 .184 .183 .180 .161 110° THEORETICAL VALVE LIFT@"0"LASH .890 .886 .910 .883 .907 .880 .904 .877 .840 .901 .874 .840 .869 .838 .898 .870 .856 .837 .835 .867 .834 .864 .851 .861 .851 .842 .827 .803 .835 .803 1.6 ROCKER ARM RATIOROCKER ARM .945 .942 .967 .938 .964 .935 .961 .932 .893 .957 .928 .893 .923 .891 .954 .925 .910 .889 .887 .921 .886 .918 .904 .915 .904 .894 .879 .853 .887 .853 1.7 1.001 1.024 1.021 1.017 1.013 1.010 .997 .994 .990 .986 .945 .983 .945 .977 .943 .979 .963 .941 .940 .976 .938 .972 .958 .968 .958 .947 .931 .904 .940 .904 1.8 SOLID ROLLER 2.0 1.9 1.8 .918 .918 .918 .918 .918 1.058 1.062 1.064 1.066 1.081 1.085 1.089 1.093 1.096 1.100 1.9 1.8 1.7 .867 .867 .867 .867 .867 1.005 1.009 1.011 1.013 1.024 1.028 1.031 1.035 1.039 1.042 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.8 1.7 1.6 .952 .956 .958 .959 .816 .816 .816 .816 .816 .967 .971 .974 .978 .981 .984 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° 110° .165 .174 .178 .183 .212 .217 .226 .233 .242 .219 .224 .229 .234 .239 .244 106° 106° 106° .183 .192 .197 .201 .231 .235 .244 .250 .259 .239 .244 .249 .254 .259 .264 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .529 .531 .532 .533 .510 .510 .510 .510 .510 .569 .571 .573 .575 .577 .579 LOBE LIFT LOBE LIFT LOBE LIFT 203 207 209 211 226 228 232 235 240 228 230 232 234 236 238 @ .200 @ .200 @ .200 282 286 288 290 312 316 320 324 328 310 312 314 316 318 320 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 313 317 319 321 352 356 360 364 368 348 350 352 354 356 358 RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION 1181 1183 1185 1187 1189 11166 11170 11171 11172 14049 14050 14051 14052 14053 14054 LOBE # LOBE # LOBE # SOLID ROLLER (F = LARGE JOURNAL INTAKE) SOLID ROLLER (F = LARGE JOURNAL VOI Pro Pro Mod Exh. XJS Drag Race CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ Journal = R,M,K… MI 30.7 (15.1/15.6) MI 39.6 (19.8/19.8) MI 37.6 (18.1/19.5) Journal = B,F,R,M… VOI PRO DRAG RACE ROLLERS drag applications similar or racing class professional in used are They areand lobes. TSP and DR the than smoother DragPro VOI family, newer a are lobes The excellent for use at very high RPM. The Pro Mod Exhaust Series is very similar to the original High RPM Exhaust Series but with higher lifts and larger durations. These are excellent for eitherThese The Pro Mod Exhaust Series is very higher lifts and larger durations. similar to the original High RPM Exhaust Series but with Mountain Motors or Pro Mod applications time and more area are required to scavenge where more the cylinder. PRO MOD EXHAUST ROLLERS The XJS Draglift. smoother with higher XJX but possibly a touch Race lobes are like the XJS EXHAUST DRAG RACE ROLLERS DRAG RACE XJS EXHAUST ROLLER

applications. lobesareslightlysmoother,The PQProDrag lobes. higherliftdesignsbasedlooselyontheDRProDrag They areuseinprofessional class racing orsimilar drag PQ PROSTOCKDRAGROLLERS to perform. For usewith2.125"orlargercambearings.. excellent in high rocker/high lift/high RPM applications, and Pro Stock classes such as Comp Eliminator where cylinder heads require .900"to1.050"valve lift IntakeRollersaresimilartotheDRdesigns,The RSDrag exceptwithslightlyquickeropening, moreliftandanewcontrolledvelocitydesign. These willbe RS DRAGINTAKE ROLLERS SOLID recommended foruseabove10,000RPM. oversimilarprofiles. designtechniquestoprovideexcellentareaandimproveddynamics These useourlatest lobes. thantheRXProDrag lobesaremoreaggressive The DRProDrag andarenot They areusedinprofessionalclass racingorsimilarapplications drag DR PRODRAGINTAKE ROLLERS Journal =B,F,R,M… MI 30.5(14.9/15.6) MI 31.0(15.3/15.7) MI 30.5(14.9/15.6) Journal =R,M,K… PQ ProStockDrag Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift DR Pro Drag Int. DR ProDrag CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE RS Drag Int. RS Drag SOLID ROLLER LOBE # LOBE # LOBE # 1585 1582 1581 1580 1579 1578 1577 1934 1933 1932 1931 1930 1929 1928 1927 1926 1925 1924 1914 1912 1937 1936 1903 1901 DURATION DURATION DURATION RATED RATED RATED 318 316 314 312 310 308 306 327 325 323 321 319 317 315 313 311 309 307 305 301 310 308 306 304 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 288 286 284 282 280 278 276 296 294 292 290 288 286 284 282 280 278 276 274 270 279 277 275 273 @.200 @.200 @.200 211 209 207 205 203 201 199 219 217 215 213 211 209 207 205 203 201 199 197 193 202 200 198 196 LOBE LIFT LOBE LIFT LOBE LIFT .544 .542 .540 .538 .536 .534 .532 .529 .528 .527 .526 .525 .524 .523 .522 .521 .521 .520 .509 .507 .568 .566 .564 .562 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .198 .193 .188 .183 .179 .174 .169 .217 .212 .207 .202 .198 .193 .188 .183 .178 .173 .169 .164 .155 .175 .170 .166 .161 106° 106° 106° .179 .174 .169 .165 .160 .155 .151 .197 .192 .188 .183 .178 .173 .169 .164 .159 .155 .150 .146 .137 .156 .152 .147 .143 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT @"0"LASH THEORETICAL VALVE LIFT@"0"LASH .925 .921 .918 .915 .911 .908 .904 .899 .898 .896 .894 .893 .891 .889 .887 .886 .886 .884 .865 .862 .909 .906 .902 .899 1.7 1.6 1.7 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM .979 .976 .972 .968 .965 .961 .958 .952 .950 .949 .947 .945 .943 .941 .940 .938 .938 .936 .916 .913 .966 .962 .959 .955 1.8 1.7 1.8 1.034 1.030 1.026 1.022 1.018 1.015 1.011 1.005 1.003 1.001 1.022 1.019 1.015 1.012 .999 .998 .996 .994 .992 .990 .990 .988 .967 .963 1.9 1.8 1.9 SOLID ROLLER 1.9 1.9 1.9 1.032 1.005 1.009 1.013 1.017 1.020 1.017 1.036 1.026 1.030 1.034 1.037 1.041 1.186 1.020 1.039 1.024 1.043 1.028 1.047 1.032 1.036 1.8 1.8 1.8 .977 .952 .956 .959 .963 .967 .972 .963 .981 .976 .979 .983 .986 .967 .985 .970 .988 .974 .992 .977 .981 1.123 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.7 1.7 1.7 .923 .899 .903 .906 .910 .913 .918 .910 .927 .921 .925 .928 .932 .913 .930 .916 .933 .920 .937 .923 .927 1.061 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° 110° .153 .172 .182 .191 .201 .211 .162 .157 .158 .167 .172 .177 .182 .189 .162 .162 .167 .167 .172 .172 .176 .181 106° 106° 106° .172 .191 .201 .211 .221 .231 .182 .176 .177 .187 .192 .197 .202 .211 .181 .182 .186 .187 .191 .192 .196 .201 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .543 .529 .531 .533 .535 .537 .540 .535 .545 .542 .544 .546 .548 .624 .537 .547 .539 .549 .541 .551 .543 .545 LOBE LIFT LOBE LIFT LOBE LIFT 200 209 213 217 221 225 204 202 202 206 208 210 212 215 204 204 206 206 208 208 210 212 @ .200 @ .200 @ .200 276 287 291 295 299 303 278 278 278 280 282 284 286 288 280 280 282 282 284 284 286 288 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 307 318 322 326 330 334 307 309 309 311 313 315 317 311 313 315 RATED RATED RATED RATED RATED RATED TS309 TS311 TS313 TS315 TS317 TS319 DURATION DURATION DURATION 1402 1372 1382 1403 1373 1383 1384 1385 1386 1388 1398 1374 1399 1375 1400 1376 1377 11124 11126 11128 11130 11132 LOBE # LOBE # LOBE # TS Pro TSP Pro TS+ Pro CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ Journal = R,M,K… Journal = R,M,K… MI 30.3 (14.7/15.6) MI 30.6 (14.8/15.8) MI 29.2 (14.1/15.1) Journal = F,R,M,K… The TSP Rollers are very modern, all purpose drag race lobes based loosely on the High RPM TS Pro Stock Drag lobes but with slightly lower acceleration all purpose drag and lift. RPM race lobes based loosely on the High TSP Rollers are very modern, The core strength diameter, These are an excellent choice for 2.165" and smaller journal camshafts where very high lobe lift lobes can compromise the base circle Alc lobes but should be veryThese have shorter seat their place if run with tighter lash. good in timing than older Fuel/Blown and stability under high loads. TSP PRO ROLLERS TS+ PRO ROLLERS accelerationhigher and ramps faster even with but thatmotion early the like (almost withachived be would series, lobe TS the based off is series PRO TS+ The Excellent for Pro Stock style drag racing applications.TS and a 10% higher rocker ratio). the The TS Pro Series is an aggressive Pro Stock series with faster ramps than the DR Drag Series. These designs get from .020" to .050" tappetThese designs get from lift and back in Series is an aggressiveTS Pro Drag faster ramps than the DR Pro Stock series with Series. The in the quickest drag resulting has released. race rollers COMP Cams® only 30°, TS PRO ROLLERS TS PRO ROLLER

The majorintensityofthesearelessthan30°, thanearlierDRdesigns. andthese lobes providemoreareaunderthecurve Rollersarethe"evilcousin"ofDRdrags.The DRSDrag 60mm orlargercamjournals. stiffvalvetrainsystemsincorporating These aredesignedforvery DRS DRAGROLLERS race These profilesarehighRPMProStockdesignsforuseinmodernprofessionaldrag classes. DQS PROSTOCKDRAGROLLERS SOLID race These profilesarehighRPMProStockdesignsforuseinmodernprofessionaldrag classes. DRZ PROSTOCKDRAGROLLERS Journal =R,M,K,A… Journal =R,M,K,A… DQS ProStockDrag DRZ ProStockDrag MI 29.6(14.4/15.2) MI 30.6(14.9/15.7) MI 29.7(14.6/15.1) Rated Duration @ Duration Rated Rated Duration @ Duration Rated @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE DRS Drag DRS Drag SOLID ROLLER LOBE # LOBE # LOBE # 1982 1993 1992 1991 1990 1989 1988 1987 1986 1980 1979 1978 1977 1976 1975 1945 1943 1939 DURATION DURATION DURATION RATED RATED RATED 320 316 314 312 310 308 306 304 302 316 314 312 310 308 306 313 311 309 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 291 287 285 283 281 279 277 275 273 285 283 281 279 277 275 283 281 279 @.200 @.200 @.200 217 213 211 209 207 205 203 201 199 208 206 205 203 201 200 208 206 204 LOBE LIFT LOBE LIFT LOBE LIFT .585 .581 .578 .575 .572 .569 .566 .563 .560 .570 .568 .566 .564 .562 .560 .570 .568 .566 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .213 .203 .198 .193 .188 .183 .178 .173 .168 .191 .186 .182 .177 .172 .168 .190 .185 .180 106° 106° 106° .192 .182 .177 .172 .167 .163 .158 .153 .148 .172 .167 .163 .158 .154 .149 .170 .166 .160 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH 1.053 1.046 1.040 1.035 1.030 1.024 1.019 1.013 1.008 1.026 1.022 1.019 1.015 1.012 1.008 1.026 1.022 1.019 1.8 1.8 1.8 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM 1.112 1.104 1.098 1.093 1.087 1.081 1.075 1.070 1.064 1.083 1.079 1.075 1.072 1.068 1.064 1.083 1.079 1.075 1.9 1.9 1.9 1.170 1.162 1.156 1.150 1.144 1.138 1.132 1.126 1.120 1.140 1.136 1.132 1.128 1.124 1.120 1.140 1.136 1.132 2.0 2.0 2.0 SOLID ROLLER 2.0 2.0 1.140 1.144 1.148 1.150 1.152 1.156 1.144 1.148 1.152 1.156 1.160 1.9 1.9 1.083 1.087 1.091 1.093 1.094 1.098 1.087 1.091 1.094 1.098 1.102 ROCKER ARM RATIO ROCKER ARM RATIO 1.8 1.8 1.026 1.030 1.033 1.035 1.037 1.040 1.030 1.033 1.037 1.040 1.044 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° .155 .160 .165 .167 .170 .175 .150 .155 .160 .165 .170 106° 106° .175 .180 .185 .188 .190 .196 .170 .175 .180 .185 .190 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .570 .572 .574 .575 .576 .578 .572 .574 .576 .578 .580 LOBE LIFT LOBE LIFT 202 204 206 207 208 210 200 202 204 206 208 @ .200 @ .200 274 276 278 279 280 282 273 275 277 279 281 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 303 305 307 308 309 311 302 304 306 308 310 RATED RATED RATED RATED DURATION DURATION 2387 2390 2391 2399 2392 2393 11975 11976 11977 11978 11979 LOBE # LOBE # CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Journal = M,K,A… MI 29.0 (14.2/14.8) MI 29.3 (14.4/14.9) DRD Pro Stock Drag DRM Pro Stock Drag Journal = R,M,K,A… DRM PRO STOCK DRAG ROLLERS These and acceleration area increased with classes DRD. to the compared drag in professional for use designs are modern Pro Stock style profiles These race are outstanding if applications that do not require higher RPM or spring life compared to the DRD. The DRD Drag Race lobes are basically slightly improved higher lift versions of the DRS series that were developed on a later generation of design software. DragDRD The thatseries DRS the of versions lift higher slightly improved basically are lobes Race latera on developed were generation software. design of outstanding area and surprising control at and these lobes provide RPM. high are belowThe major intensity of these 30 degrees, 60mm or larger cam journals. DRD PRO STOCK DRAG ROLLERS STOCK DRAG DRD PRO ROLLER

These profiles are higher RPM versions of the DRI designs for use in modern professional drag race These profilesarehigherRPMversionsoftheDRIdesignsforuseinmodern professionaldrag classes. muchlikeahigherliftDRS. Thesearevery DZI PROSTOCKDRAGROLLERS SOLID betweencurrentProStockandMountainMotordesigns.The DRIProStockdesignsfillthegap For 60mm+journalsand.850"rollerwheels. DRI PROSTOCKDRAGROLLERS Journal =RG,M,K,… MI 28.9(14.2/14.7) MI 29.8(14.6/15.2) DRI Pro Stock Drag DRI ProStockDrag DRI ProStockDrag Journal =M,K,A… Rated Duration @ Duration Rated @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE DZI ProStock SOLID ROLLER LOBE # LOBE # 12061 12060 2299 2297 2296 2295 2294 2293 2292 2291 2290 2045 2044 2043 2042 2041 2039 2037 1572 1570 1568 2184 2182 2095 2058 2057 DURATION DURATION RATED RATED 322 320 318 316 314 312 310 308 306 322 320 318 316 314 312 310 309 308 318 314 310 313 311 309 307 305 DURATION INDEGREES DURATION INDEGREES @.050 @.050 293 291 289 287 285 283 281 279 277 293 291 289 287 285 283 281 280 279 289 285 281 283 281 279 277 275 @.200 @.200 222 220 218 216 214 212 210 208 206 222 220 218 216 214 212 210 209 208 218 214 210 209 208 206 204 201 LOBE LIFT LOBE LIFT .598 .596 .594 .592 .590 .588 .586 .584 .582 .589 .587 .585 .583 .581 .579 .577 .576 .575 .640 .636 .632 .579 .577 .575 .573 .571 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .229 .223 .217 .212 .206 .201 .195 .190 .185 .227 .222 .216 .211 .205 .200 .195 .192 .190 .220 .208 .197 .194 .189 .184 .179 .173 106° 106° .206 .201 .195 .190 .184 .179 .174 .169 .164 .205 .200 .195 .189 .184 .179 .174 .171 .169 .197 .186 .175 .173 .169 .164 .159 .154 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT @"0"LASH 1.076 1.073 1.069 1.066 1.062 1.058 1.055 1.051 1.048 1.060 1.057 1.053 1.049 1.046 1.042 1.039 1.037 1.035 1.088 1.081 1.074 1.042 1.039 1.035 1.031 1.028 1.7 1.8 1.8 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM 1.136 1.132 1.129 1.125 1.121 1.117 1.113 1.110 1.106 1.119 1.115 1.112 1.108 1.104 1.100 1.096 1.094 1.093 1.152 1.145 1.138 1.100 1.096 1.093 1.089 1.085 1.8 1.9 1.9 1.196 1.192 1.188 1.184 1.180 1.176 1.172 1.168 1.164 1.178 1.174 1.170 1.166 1.162 1.158 1.154 1.152 1.150 1.216 1.208 1.201 1.158 1.154 1.150 1.146 1.142 1.9 2.0 2.0 SOLID ROLLER 2.0 1.9 2.0 2.0 1.158 1.127 1.131 1.134 1.138 1.142 1.156 1.162 1.168 1.162 1.166 1.210 1.138 1.142 1.146 1.9 1.8 1.9 1.9 1.100 1.098 1.104 1.067 1.071 1.075 1.078 1.082 1.104 1.110 1.108 1.150 1.081 1.085 1.089 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.8 1.7 1.8 1.8 1.042 1.040 1.046 1.008 1.012 1.015 1.018 1.022 1.046 1.051 1.049 1.089 1.024 1.028 1.031 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° 110° 110° .158 .151 .163 .174 .180 .185 .190 .196 .156 .161 .168 .159 .156 .161 .166 106° 106° 106° 106° .179 .171 .184 .195 .201 .206 .212 .217 .176 .182 .189 .180 .176 .181 .186 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .579 .578 .581 .593 .595 .597 .599 .601 .581 .584 .583 .605 .569 .571 .573 LOBE LIFT LOBE LIFT LOBE LIFT LOBE LIFT 204 201 206 210 212 214 216 218 203 205 208 204 202 204 206 @ .200 @ .200 @ .200 @ .200 275 277 272 281 283 285 287 289 274 276 279 275 276 278 280 @ .050 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 303 305 301 309 311 313 315 317 303 305 307 303 305 307 309 RATED RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION DURATION 2430 2385 2586 2587 2588 2589 2419 2420 11230 11231 11232 11236 12066 12067 12068 LOBE # LOBE # LOBE # LOBE # CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Journal = M,K,A… Journal = M,K,A… MI 28.3 (13.9/14.4) MI 28.6 (14.1/14.5) MI 29.8 (14.6/15.2) MI 29.4 (14.5/14.9) DKL Pro Stock Drag TDS Pro Stock Drag HDZ Pro Stock Drag DRP Pro Stock Drag HDZ PRO STOCK DRAG ROLLERS The HDZ series is a very style design with design influences from the HXL series used in high RPM Super Stock type high RPM Pro Stock applications but with increased area and far more lift. TDS PRO STOCK DRAG ROLLERS DKL PRO DRAG ROLLERS These profiles are a Pro Stock style design very close to the DRD series but would achieve basically the same motion with a slightly lower rocker ratio. For use motion with a slightly lower basically the same series but would achieve close to the DRD design very are a Pro Stock style These profiles rocker ratio. in modern professional drag race classes. DRP PRO STOCK DRAG ROLLERS STOCK DRAG DRP PRO ROLLER

SOLID similar rampquicknessandarea. andrequirelessvalvereliefthanlobeswith racerollerlobeswithexcellentareaunderthecurve baselineProStockintakestyledrag The PRIandPLIaregreat PRI PLIPROSTOCKDRAGROLLERS Journal =RE,M,K… MI 27.2(13.4/13.8) MI 27.6(13.6/14.0) MI 27.8(13.7/14.1) MI 28.4(14.0/14.4) POI ProStockDrag PGI ProStockDrag Journal =M,K,A… Journal =M,K,A… Journal =M,K,A… PRI ProStockDrag PLI ProStockDrag Rated Duration @ Duration Rated Rated Duration @ Duration Rated @ Duration Rated Rated Duration @ Duration Rated @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE PGI ProStock SOLID ROLLER LOBE # 12436 12435 12434 12433 12432 12431 12430 12429 12428 14246 14245 14244 14243 14242 14241 14240 12412 12394 12393 12400 12408 12312 12311 12426 12425 12424 12423 12422 12421 12420 12419 12418 12417 12416 12310 DURATION RATED 314 312 310 308 306 304 302 300 298 314 312 310 308 306 304 302 310 306 304 302 288 306 304 302 316 314 312 310 308 306 304 302 300 298 296 DURATION INDEGREES @.050 287 285 283 281 279 277 275 273 271 286 284 282 280 278 276 274 282 278 276 274 260 278 276 274 288 286 284 282 280 278 276 274 272 270 268 @.200 215 213 211 209 207 205 203 201 199 214 212 210 208 206 204 202 209 205 203 201 187 205 203 201 213 211 209 207 205 203 201 199 197 195 193 LOBE LIFT .629 .627 .625 .623 .621 .619 .617 .615 .613 .593 .591 .589 .587 .585 .583 .581 .607 .607 .605 .603 .570 .588 .586 .584 .583 .581 .579 .577 .575 .573 .571 .569 .567 .565 .563 TAPPET LIFT@ TDC .210 .204 .199 .193 .188 .183 .178 .172 .167 .207 .202 .196 .191 .186 .180 .175 .192 .181 .176 .171 .138 .181 .176 .117 .202 .197 .192 .187 .182 .177 .172 .167 .163 .158 .153 106° .188 .183 .178 .172 .167 .162 .157 .152 .147 .186 .180 .175 .170 .165 .160 .155 .172 .161 .156 .152 .120 .161 .156 .151 .182 .177 .172 .167 .163 .158 .153 .148 .144 .139 .135 110° THEORETICAL VALVE LIFT@"0"LASH 1.006 1.003 1.000 1.008 1.005 1.001 1.032 1.032 1.029 1.025 1.000 1.020 1.017 1.013 1.010 1.006 1.003 .997 .994 .990 .987 .984 .981 .998 .995 .991 .988 .969 .996 .993 .999 .996 .992 .989 .985 1.75 1.75 ROCKER ARM RATIOROCKER ARM 1.069 1.066 1.063 1.059 1.056 1.052 1.049 1.046 1.042 1.067 1.064 1.060 1.057 1.053 1.049 1.046 1.093 1.093 1.089 1.085 1.026 1.058 1.055 1.051 1.079 1.075 1.071 1.067 1.064 1.060 1.056 1.053 1.049 1.045 1.042 1.85 1.85 1.132 1.129 1.125 1.121 1.118 1.114 1.111 1.107 1.103 1.127 1.123 1.119 1.115 1.112 1.108 1.104 1.153 1.153 1.150 1.146 1.083 1.117 1.113 1.110 1.137 1.133 1.129 1.125 1.121 1.117 1.113 1.110 1.106 1.102 1.098 1.95 1.95 SOLID ROLLER 1.9 1.123 1.127 1.131 1.151 1.155 1.159 1.150 1.153 1.157 1.161 1.165 1.169 1.172 1.163 1.167 1.170 1.191 1.195 1.769 1.170 1.174 1.178 1.182 1.186 1.199 1.203 1.207 1.087 1.091 1.094 1.098 1.102 1.106 1.110 1.113 1.117 1.210 1.214 1.8 1.064 1.067 1.071 1.091 1.094 1.098 1.089 1.093 1.096 1.100 1.103 1.107 1.111 1.102 1.105 1.109 1.129 1.132 1.676 1.109 1.112 1.116 1.120 1.123 1.136 1.139 1.143 1.030 1.033 1.037 1.040 1.044 1.048 1.051 1.055 1.058 1.147 1.150 ROCKER ARM RATIO Continued on page 116 1.7 .972 .976 .979 .983 .986 .989 .993 .996 1.005 1.008 1.012 1.030 1.034 1.037 1.029 1.032 1.035 1.039 1.042 1.046 1.049 1.040 1.044 1.047 1.066 1.069 1.583 1.047 1.051 1.054 1.057 1.061 1.073 1.076 1.080 1.000 1.083 1.086 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° .155 .160 .165 .155 .160 .165 .165 .170 .175 .180 .186 .191 .196 .155 .160 .165 .155 .160 .165 .159 .164 .169 .174 .180 .159 .164 .169 .145 .150 .155 .160 .165 .170 .175 .180 .185 .174 .180 106° .175 .180 .185 .175 .180 .185 .186 .191 .196 .202 .207 .213 .218 .175 .180 .185 .175 .181 .186 .180 .185 .191 .196 .202 .180 .185 .191 .165 .170 .175 .180 .185 .190 .196 .201 .206 .196 .202 TAPPET LIFT @ TDC LIFT @ TAPPET .591 .593 .595 .606 .608 .610 .605 .607 .609 .611 .613 .615 .617 .612 .614 .616 .627 .629 .931 .616 .618 .620 .622 .624 .631 .633 .635 .572 .574 .576 .578 .580 .582 .584 .586 .588 .637 .639 LOBE LIFT 202 204 206 202 204 206 206 208 210 212 214 216 218 202 204 206 202 204 206 204 206 208 210 212 204 206 208 198 200 202 204 206 208 210 212 214 210 212 @ .200 274 276 278 274 276 278 278 280 282 284 286 288 290 274 276 278 274 276 278 274 276 278 280 282 274 276 278 270 272 274 276 278 280 282 284 286 280 282 @ .050 DURATION IN DEGREES DURATION 302 304 306 302 304 306 306 308 310 312 314 316 318 302 304 306 302 304 306 301 303 305 307 309 301 303 305 298 300 302 304 306 308 310 312 314 307 309 RATED RATED DURATION 12842 12843 12844 12850 12851 12852 12740 12741 12742 12893 12894 12895 12896 12743 12744 12745 12495 12496 12497 12759 12768 12756 12757 12758 12209 12210 12211 12212 12716 12721 12722 12723 12724 12725 12726 12727 12728 12213 LOBE # PZI PZI PZJ PZJ PZI Mid Lift CAMSHAFT TYPE Journal = K,A… .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Journal = M,K,A… Journal = M,K,A… Journal = M,K,A… MI 27.8 (13.6/14.2) MI 27.7 (13.6/14.1) MI 27.0 (13.3/13.7) MI 27.8 (13.6/14.2) The PZI series is a tweaked version of the PRI & PLI Series that should perform better in applications running very close to coil bind, but these do require just a but these do require the PRI & PLI Series that is a tweaked version of The PZI series in applications should perform better to coil bind, very running close bit more valve clearance. PZI PRO STOCK DRAG ROLLERS STOCK DRAG PZI PRO ROLLER bit morevalveclearance. close runningvery tocoilbind, shouldperformbetterinapplications The PZIseriesisatweakedversionofthePRI&PLISeriesthat butthesedorequirejusta above what couldbeachivedwithearlierhighliftandareaseries. above what The PEZ, stretchingenginespeed PZFandPZZseriesareprogressivelysmootherthanthePZI&PZLshouldperformextremelywellinapplications PEZ PFZPZZPROSTOCKROLLERS SOLID PZI PROSTOCKDRAGROLLERS MI 26.6(13.1/13.5) MI 27.0(13.3/13.7) MI 27.0(13.3/13.7) MI 26.6(13.1/13.5) MI 27.5(13.5/14.0) MI 27.9(13.7/14.2) Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift Journal =K,A… CAMSHAFT TYPE CAMSHAFT TYPE PZM PZM PEZ PZL PFZ PZJ SOLID ROLLER LOBE # LOBE # 12982 12988 12987 12769 12985 12984 12995 12994 12993 12992 12991 11532 11531 11530 11496 11495 11494 11480 11526 11743 11748 11740 12738 12737 12730 DURATION DURATION RATED RATED 302.5 309 307 305 303 301 309 307 305 303 301 320 318 316 320 318 316 308 316 308 308 308 308 306 304 Continued DURATION INDEGREES DURATION INDEGREES @.050 @.050 276 282 280 278 276 274 282 280 278 276 274 292 290 288 292 290 288 280 288 280 280 280 280 278 276 @.200 @.200 206 211 209 207 205 203 212 210 208 206 204 220 218 216 220 218 216 208 215 208 208 208 208 206 204 LOBE LIFT LOBE LIFT .583 .587 .585 .583 .581 .579 .651 .649 .647 .645 .643 .672 .670 .668 .640 .638 .636 .586 .564 .593 .617 .593 .585 .583 .581 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .186 .199 .194 .188 .183 .178 .202 .197 .191 .185 .180 .225 .220 .214 .224 .218 .213 .190 .210 .192 .191 .191 .191 .185 .180 106° 106° .165 .178 .173 .167 .162 .157 .180 .175 .169 .164 .159 .203 .197 .192 .202 .196 .191 .170 .190 .171 .170 .170 .170 .165 .160 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH 1.107 1.103 1.100 1.097 1.093 1.142 1.139 1.136 1.088 1.085 1.081 1.008 1.049 1.008 .991 .998 .995 .991 .988 .984 .996 .959 .995 .991 .988 1.7 1.7 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM 1.049 1.057 1.053 1.049 1.046 1.042 1.172 1.168 1.165 1.161 1.157 1.210 1.206 1.202 1.152 1.148 1.145 1.055 1.015 1.067 1.111 1.067 1.053 1.049 1.046 1.8 1.8 1.108 1.115 1.112 1.108 1.104 1.100 1.237 1.233 1.229 1.226 1.222 1.277 1.273 1.269 1.216 1.212 1.208 1.113 1.072 1.127 1.172 1.127 1.112 1.108 1.104 1.9 1.9 SOLID ROLLER 2.0 2.0 2.0 2.0 1.138 1.142 1.146 1.150 1.154 1.154 1.158 1.162 1.166 1.170 1.174 1.178 1.148 1.166 1.152 1.170 1.156 1.174 1.178 1.182 1.186 1.190 1.256 1.260 1.264 1.268 1.272 1.9 1.9 1.9 1.9 1.081 1.085 1.089 1.093 1.096 1.096 1.100 1.104 1.108 1.112 1.115 1.119 1.091 1.108 1.094 1.112 1.098 1.115 1.119 1.123 1.127 1.131 1.193 1.197 1.201 1.205 1.208 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.8 1.8 1.8 1.8 1.024 1.028 1.031 1.035 1.039 1.039 1.042 1.046 1.049 1.053 1.057 1.060 1.033 1.049 1.037 1.053 1.040 1.057 1.060 1.064 1.067 1.071 1.130 1.134 1.138 1.141 1.145 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° 110° 110° .157 .162 .167 .173 .178 .158 .163 .167 .173 .178 .183 .188 .159 .150 .164 .155 .170 .160 .166 .171 .176 .182 .186 .192 .197 .203 .208 106° 106° 106° 106° .177 .183 .188 .193 .198 .178 .183 .188 .193 .198 .204 .209 .180 .171 .186 .176 .191 .181 .187 .192 .198 .203 .208 .214 .220 .225 .231 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .569 .571 .573 .575 .577 .577 .579 .581 .583 .585 .587 .589 .574 .583 .576 .585 .578 .587 .589 .591 .593 .595 .628 .630 .632 .634 .636 LOBE LIFT LOBE LIFT LOBE LIFT LOBE LIFT 203 205 207 209 211 203 205 207 209 211 213 215 205 201 207 203 209 205 207 209 211 213 215 217 219 221 223 @ .200 @ .200 @ .200 @ .200 275 277 279 281 283 275 277 279 281 283 285 287 271 274 276 273 278 275 277 279 281 283 286 288 290 292 294 @ .050 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 303 305 307 309 311 303 305 307 309 311 313 315 299 301 303 301 305 303 305 307 309 311 315 317 319 321 323 RATED RATED RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION DURATION 12254 12255 12256 12257 12258 12214 12215 12216 12217 12218 12219 12220 11258 12390 12391 11259 12392 11260 11261 11262 11263 11265 12294 12295 12296 12297 12298 LOBE # LOBE # LOBE # LOBE # CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet JI Pro Stock Drag Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ SPI Pro Stock Drag Journal = M,K,A… Journal = M,K,A… Journal = M,K,A… Journal = M,K,A… PNI Pro Stock Drag MI 28.3 (13.9/14.4) MI 28.3 (13.9/14.4) MI 27.8 (13.7/14.1) MI 27.2 (13.4/13.8) MI 29.0 (14.3/14.7) SPH Pro Stock Drag DKN Pro Stock Drag DKN PRO STOCK DRAG ROLLERS PNI PRO STOCK DRAG ROLLERS JI PRO STOCK DRAG ROLLERS The PZI series is a tweaked version of the PRI & PLI Series that should perform better in applications running very close to coil bind, but these do require just a but these do require the PRI & PLI Series that is a tweaked version of The PZI series in applications should perform better to coil bind, very running close bit more valve clearance. SPH & SPI PRO STOCK DRAG ROLLERS PRO STOCK SPH & SPI ROLLER

ratio systems. ratio withlower withhighrockerratios ortoobtaintheareaassociated The FDZisevenfasterthantheFPIformaximumareaincontrolledengine speedapplications FDZ PROSTOCKDRAGROLLERS and asanintakeinlargercubicinchapplications. asstiffofavalvetrainsystem. requirelooserlashordonothave The FLSisliketheFOSbutforsystemsthat Work wellontheexhaustinsmallercubicinch FSL PROSTOCKDRAGROLLERS stiffvalvetrainsystemandtightlashsettings. highenginespeedwithavery canprovidegoodcontrolat The FOSSeriesisliketheFPIbutasmootherdesignthat FOS PROSTOCKDRAGROLLERS SOLID train andhighvalvespringloadsbutrequirecare. stiffvalve ofthe"D"or"P"series. ProStock/ProModstyledesignsfasterthanany withvery highacceleration power Canprovidegreat The FPIprofilesarevery FPI PROSTOCKDRAGROLLERS FOS ProStockDrag MI 30.5(14.7/15.8) MI 27.9(13.7/14.2) MI 26.7(13.1/13.6) MI 29.1(14.1/15.0) FPI ProStockDrag Journal =K,A,0… Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift Journal =K,A… Journal =K,A… CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE FDZ ProStock FSL ProStock SOLID ROLLER LOBE # LOBE # LOBE # LOBE # 11196 11195 11194 11192 12048 12047 12046 12045 12044 11066 11062 11061 11060 12149 12127 12095 12094 12023 12022 DURATION DURATION DURATION DURATION RATED RATED RATED RATED 331 329 327 323 312 310 308 306 304 303 307 305 303 321 317 313 311 309 307 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 @.050 300 298 296 292 284 282 280 278 276 276 280 278 276 292 288 284 282 280 278 @.200 @.200 @.200 @.200 227 225 223 219 214 212 210 208 206 209 211 211 209 221 217 213 211 209 207 LOBE LIFT LOBE LIFT LOBE LIFT LOBE LIFT .624 .623 .622 .620 .620 .618 .616 .614 .612 .639 .624 .622 .620 .623 .623 .623 .621 .619 .617 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .243 .237 .232 .221 .205 .199 .194 .188 .183 .190 .207 .196 .190 .229 .219 .208 .202 .197 .191 106° 106° 106° 106° .221 .215 .210 .199 .183 .178 .172 .167 .162 .168 .179 .173 .168 .208 .197 .186 .181 .176 .170 110° 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT @"0"LASH THEORETICAL VALVE LIFT@"0"LASH 1.061 1.059 1.057 1.054 1.054 1.051 1.047 1.044 1.040 1.086 1.061 1.057 1.054 1.059 1.059 1.059 1.056 1.052 1.049 1.7 1.7 1.7 1.7 ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM 1.123 1.121 1.120 1.116 1.116 1.112 1.109 1.105 1.102 1.150 1.123 1.120 1.116 1.121 1.121 1.121 1.118 1.114 1.111 1.8 1.8 1.8 1.8 1.186 1.184 1.182 1.178 1.178 1.174 1.170 1.167 1.163 1.214 1.186 1.182 1.178 1.184 1.184 1.184 1.180 1.176 1.172 1.9 1.9 1.9 1.9 SOLID ROLLER 1.9 1.9 1.9 1.9 1.161 1.165 1.169 1.172 1.176 1.180 1.184 1.132 1.132 1.136 1.136 1.140 1.140 1.254 1.258 1.262 1.265 1.269 1.8 1.8 1.8 1.7 1.039 1.042 1.046 1.049 1.052 1.056 1.059 1.073 1.073 1.076 1.076 1.080 1.080 1.188 1.192 1.195 1.199 1.202 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.7 1.7 1.7 1.5 .917 .920 .923 .926 .929 .932 .935 1.013 1.013 1.017 1.017 1.020 1.020 1.122 1.125 1.129 1.132 1.136 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° 110° 110° .151 .156 .161 .167 .172 .177 .183 .163 .163 .168 .168 .173 .173 .168 .173 .179 .185 .190 106° 106° 106° 106° .172 .178 .183 .188 .194 .200 .205 .184 .184 .190 .190 .195 .195 .190 .196 .202 .208 .214 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .611 .613 .615 .617 .619 .621 .623 .596 .596 .598 .598 .600 .600 .660 .662 .664 .666 .668 LOBE LIFT LOBE LIFT LOBE LIFT LOBE LIFT 202 204 206 208 210 212 214 206 206 208 208 210 210 207 209 211 213 215 @ .200 @ .200 @ .200 @ .200 270 272 274 276 278 280 282 275 275 277 277 279 279 274 276 278 280 282 @ .050 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 296 298 300 302 304 306 308 302 302 304 304 306 306 301 303 305 307 309 RATED RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION DURATION 11268 11269 11270 11271 11272 11273 11275 12488 12488 12489 12489 12490 12490 11064 11075 11076 11077 11078 LOBE # LOBE # LOBE # LOBE # DJP FGZ Pro Stock CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE Journal = A,0… .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ PVI Pro Stock Drag Journal = M,K,A… FPJ Pro Stock Drag MI 26.3 (13.0/13.3) MI 27.0 (13.2/13.8) MI 27.0 (13.2/13.8) MI 26.8 (13.1/13.7) The PVI series is actually a bit like both a faster "P" series lobe and an offset version of the DJP. The offset design results in more piston to valve on the intake The PVI series is actually a bit like both a faster "P" series lobe and an offset version of the DJP. than other desings with similar .200" specs. PVI PRO STOCK DRAG ROLLERS DJP ROLLERS very Require tight lash and stiff rocker The DJP is a newer entryall the earlier designs. in the "D" series of Pro Stock style lobes with faster ramps than arm systems. FPJ PRO STOCK DRAG ROLLERS Slightly quicker than the FPI. "S" and "P" families. accelerationThe FPJ fast ramp with almost constant positive design philosophy in between the "D", The FGZ are smoothed out versions on the FGZ for similar type applications but are definitely more stable as engine speeds increase. These work very These work well applicationson the FGZ for similar type smoothed out versions The FGZ are as engine speeds increase. definitely more stable but are in lowerachiving outstanding area ratio applications. FGZ PRO STOCK DRAG ROLLERS STOCK DRAG FGZ PRO ROLLER

The PMZ Pro Mod style designs are similar to the PSB Series with increased area for lower RPMapplications. The PMZProModstyledesignsaresimilartothePSBSerieswithincreased areaforlower PMZ PROMODDRAGROLLERS with thePSB. requiremorespringlifethanprovided that The PSAseriesisasmootherversionthanthePSBwithotherwisesimilarcharacteristicsforhigherRPMapplications PSA PROSTOCKDRAGROLLERS SOLID PSB PBMPBLPROMODDRAGROLLERS Journal =MG,K,A… PSA ProStockDrag MI 29.4(14.4/15.0) MI 29.1(14.2/14.9) MI 27.3(13.1/14.2) MI 30.3(14.5/15.8) MI 30.9(14.7/16.2) PBM ProModDrag PMZ ProModDrag PSB ProModDrag PBL ProModDrag Journal =L,K,A… Journal =L,K,A… Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE SOLID ROLLER LOBE # LOBE # LOBE # 12334 12333 12332 12331 12330 11354 11353 11352 12344 12343 12342 12341 12399 12358 12357 12356 12353 12352 11370 11369 11368 11377 11376 11375 DURATION DURATION DURATION RATED RATED RATED 321 319 317 315 313 324 320 318 324 320 318 316 314 322 320 318 316 314 321 319 317 320 318 316 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 292 290 288 286 284 293 291 289 293 291 289 287 285 295 293 291 289 287 291 289 287 289 287 285 @.200 @.200 @.200 219 217 215 213 211 221 219 217 221 219 217 215 213 227 225 223 221 219 218 216 214 215 213 211 LOBE LIFT LOBE LIFT LOBE LIFT .640 .638 .636 .634 .632 .692 .690 .688 .664 .662 .660 .658 .656 .674 .672 .670 .668 .666 .657 .655 .653 .626 .624 .622 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .220 .215 .209 .203 .198 .227 .222 .216 .227 .221 .215 .209 .204 .245 .239 .232 .226 .220 .219 .214 .208 .219 .214 .208 106° 106° 106° .197 .193 .187 .182 .177 .204 .199 .193 .204 .198 .193 .187 .182 .220 .214 .208 .202 .196 .197 .191 .186 .197 .191 .186 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT @"0"LASH THEORETICAL VALVE LIFT@"0"LASH 1.152 1.148 1.145 1.141 1.138 1.246 1.242 1.238 1.195 1.192 1.188 1.184 1.181 1.213 1.210 1.206 1.202 1.199 1.183 1.179 1.175 1.127 1.123 1.120 1.8 1.8 1.8 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM 1.216 1.212 1.208 1.205 1.201 1.315 1.311 1.307 1.262 1.258 1.254 1.250 1.246 1.281 1.277 1.273 1.269 1.265 1.248 1.245 1.241 1.189 1.186 1.182 1.9 1.9 1.9 1.280 1.276 1.272 1.268 1.264 1.384 1.380 1.376 1.328 1.324 1.320 1.316 1.312 1.348 1.344 1.340 1.336 1.332 1.314 1.310 1.306 1.252 1.248 1.244 2.0 2.0 2.0 SOLID ROLLER 2.0 1.7 2.0 1.221 1.224 1.227 1.231 1.234 1.132 1.132 1.132 1.132 1.136 1.140 1.144 1.148 1.152 1.058 1.062 1.066 1.070 1.074 1.9 1.6 1.9 1.149 1.152 1.155 1.158 1.162 1.075 1.075 1.075 1.075 1.079 1.083 1.087 1.091 1.094 1.005 1.009 1.013 1.017 1.020 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.8 1.5 1.8 .952 .956 .959 .963 .967 1.077 1.080 1.083 1.086 1.089 1.019 1.019 1.019 1.019 1.022 1.026 1.030 1.033 1.037 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° 110° .186 .192 .197 .203 .209 .194 .199 .202 .204 .208 .213 .218 .223 .228 .185 .189 .193 .198 .202 106° 106° 106° .209 .215 .221 .228 .234 .215 .220 .222 .225 .229 .234 .239 .244 .249 .202 .207 .212 .216 .221 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .718 .720 .722 .724 .726 .566 .566 .566 .566 .568 .570 .572 .574 .576 .529 .531 .533 .535 .537 LOBE LIFT LOBE LIFT LOBE LIFT 215 217 219 221 223 217 219 220 222 223 225 227 229 231 215 217 219 221 223 @ .200 @ .200 @ .200 284 286 288 290 292 297 299 300 301 303 305 307 309 311 300 302 304 306 308 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 312 314 316 318 320 334 336 337 338 340 342 344 346 348 335 337 339 341 343 RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION 1734 1735 1723 1695 2724 2725 2726 2727 2728 1995 1996 1997 1998 1999 11080 11081 11082 11083 11084 LOBE # LOBE # LOBE # SOLID ROLLER (G = LARGE JOURNAL EXH.) SOLID ROLLER (G DRX Drag Exh. CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ XK Pro Stock Drag Journal = A,C,O… PIC Pro Stock Drag Journal = R,M,K… Journal = R,M,K… MI 27.8 (13.6/14.2) MI 36.2 (18.0/18.2) MI 35.0 (16.0/19.0) XK PRO STOCK DRAG ROLLERS The XK series is two steps faster than the XCX and one step classes. These profiles are high RPM Pro Stock designs for use in modern professional drag race faster than the XJX series. DRX DRAG EXHAUST ROLLERS These They have a faster opening to increase torque and have more area under the curve. The DRX Drag Exhaust lobes are a faster version of our XCX designs. cores. work well with DRS intake lobes on 60mm or larger Lower ratio intake design for 70mm, 75mm or 78mm effective journal size cams and low journal size cams and 75mm or 78mm effective (1.5:1 to 1.7 ratios).Lower ratio design for 70mm, intake PIC PRO STOCK DRAG ROLLERS STOCK DRAG PIC PRO ROLLER

These profilesareincreasedliftversionsoftheXK.635"series. XKH EXHAUSTROLLERS 65mm journals. ExhaustlobesareafasterversionofourXCXdesigns.The XKProStockDrag and62.85or The .635"liftseriesisoptimizedforbiginchapplications XK .635"PROSTOCKDRAGEXHAUSTROLLERS SOLID These profilesareincreasedliftversionsoftheoriginalXKseries. XKL PROSTOCKDRAGROLLERS Pro Stock Drag Exh. Pro StockDrag XKL ProStockDrag MI 36.0(17.9/18.1) MI 36.0(17.9/18.1) MI 34.3(16.9/17.4) Journal =M,K,A… Journal =M,K,A… Journal =L,K,A… Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE XK .635" XKH Exh. SOLID ROLLER LOBE # LOBE # LOBE # 11563 11561 11560 1571 1569 1565 1564 1563 1562 1859 1858 1849 1848 1847 1837 1836 1835 1775 1834 1833 1790 1794 1823 1792 1789 1825 DURATION DURATION DURATION RATED RATED RATED 364 362 360 356 354 352 348 346 344 354 352 350 348 346 344 342 340 338 336 334 357 364 362 360 356 344 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 327 325 323 319 317 315 311 309 307 318 316 314 312 310 308 306 304 302 300 298 323 330 328 326 322 310 @.200 @.200 @.200 248 246 244 240 238 236 232 230 228 240 238 236 234 232 230 228 226 224 222 220 247 253 251 249 245 233 LOBE LIFT LOBE LIFT LOBE LIFT .635 .635 .635 .635 .635 .635 .635 .635 .635 .608 .606 .604 .602 .600 .598 .596 .594 .592 .590 .588 .700 .693 .691 .689 .685 .673 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .296 .291 .286 .275 .270 .264 .254 .248 .242 .275 .269 .264 .258 .253 .247 .242 .236 .231 .226 .220 .299 .316 .310 .304 .293 .258 106° 106° 106° .274 .269 .264 .253 .248 .242 .232 .226 .220 .253 .247 .242 .236 .231 .226 .220 .215 .210 .205 .200 .276 .292 .287 .281 .270 .236 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH 1.080 1.080 1.080 1.080 1.080 1.080 1.080 1.080 1.080 1.034 1.030 1.027 1.023 1.020 1.017 1.013 1.010 1.006 1.003 1.000 1.190 1.178 1.175 1.171 1.165 1.144 1.7 1.7 1.7 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM 1.143 1.143 1.143 1.143 1.143 1.143 1.143 1.143 1.143 1.094 1.091 1.087 1.084 1.080 1.076 1.073 1.069 1.066 1.062 1.058 1.260 1.247 1.244 1.240 1.233 1.211 1.8 1.8 1.8 1.207 1.207 1.207 1.207 1.207 1.207 1.207 1.207 1.207 1.155 1.151 1.148 1.144 1.140 1.136 1.132 1.129 1.125 1.121 1.117 1.330 1.317 1.313 1.309 1.302 1.279 1.9 1.9 1.9 SOLID ROLLER 2.0 1.9 2.0 1.051 1.055 1.058 1.124 1.128 1.132 1.136 1.140 1.140 1.140 1.140 1.140 1.140 1.140 1.140 1.140 1.140 1.140 1.9 1.8 1.9 .995 .999 1.003 1.068 1.072 1.075 1.079 1.083 1.083 1.083 1.083 1.083 1.083 1.083 1.083 1.083 1.083 1.083 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.8 1.7 1.8 .940 .944 .947 1.012 1.015 1.019 1.022 1.026 1.026 1.026 1.026 1.026 1.026 1.026 1.026 1.026 1.026 1.026 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° 110° .197 .202 .206 .211 .215 .220 .226 .231 .213 .223 .234 .244 .254 .264 .274 .278 .283 .293 106° 106° 106° .217 .222 .227 .230 .235 .240 .246 .251 .233 .244 .254 .264 .274 .284 .294 .298 .303 .312 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .553 .555 .557 .562 .564 .566 .568 .570 .570 .570 .570 .570 .570 .570 .570 .570 .570 .570 LOBE LIFT LOBE LIFT LOBE LIFT 219 221 222 224 226 228 230 232 225 229 233 236 240 244 248 251 253 257 @ .200 @ .200 @ .200 296 298 300 301 303 305 307 309 303 307 311 315 319 323 327 329 331 335 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 331 333 335 332 334 336 338 340 336 340 344 348 352 356 360 362 364 368 RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION 2078 2079 2055 2577 2578 2579 2580 2581 12823 12825 12827 12829 12831 12833 12835 12836 12837 12839 LOBE # LOBE # LOBE # XM Pro Exh. CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ MI 35.3 (17.5/17.8) MI 31.2 (15.1/16.1) MI 33.0 (15.8/17.2) Journal = R,M,K,A… Journal = R,M,K,A… NX Pro Stock Drag Exh. ZLX Pro Stock Drag Exh. Like the XM series, the NX Pro Exhaust profiles are similar to the XKX but with higher acceleration and more area. These also have slightly shorter ramps that are similar to the XKX but with higher acceleration the NX Pro Exhaust profiles and more area. Like the XM series, work very well with steeper valve seats. NX PRO STOCK DRAG EXHAUST ROLLERS ZLX PRO STOCK DRAG EXHAUST ROLLERS ZLX PRO STOCK DRAG EXHAUST The ZLX Pro Stock Drag off the seat. Exhaust Series is based off of the popular XKX Exhaust Series but is quicker The XM Pro Exhaust profiles are similar to the XKX but haveExhaust profiles are similar The XM Pro higher acceleration and more area. XM PRO EXHAUST ROLLERS XM PRO ROLLER

The VOX Rollersaredesignedtoworkwiththe VOI intakesandarequicker thanmostexhaustlobesandcouldbeusedasanintakeifneeded. VOX PRODRAGRACEROLLERS SOLID highcylinder bandandlimitloadingwhenopeningagainst power pressures. (compared to most exhaust designs) reduces exhaust pumping losses.the curve to provide a wide opening acceleration lower These asymmetric designs have RPMapplications. Rollersbutoptimizedforlower The NXXissimilartotheXKXDrag theincreasedareaunder They workespeciallywellinnitrousapplications; NXX ROLLERS MI 31.1(15.3/15.8)MI Journal =B,R,M,K… Journal =R,M,K,A… Journal =M,L,K,A… MI 30.6(14.8/15.8) MI 29.6(14.3/15.3) MI 30.8(14.9/15.9) Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift 30.8 (14.9/15.9) CAMSHAFT TYPE CAMSHAFT TYPE VOX Pro NXH NXX NXL SOLID ROLLER LOBE # LOBE # 11348 11346 11344 11342 11340 11177 11175 11173 11364 11363 12349 12339 12338 11314 11312 11310 11308 11306 11304 11302 DURATION DURATION RATED RATED 357 353 349 345 341 336 332 328 363 361 359 357 355 347 343 339 335 331 327 323 DURATION INDEGREES DURATION INDEGREES @.050 @.050 326 322 318 314 310 305 301 297 333 331 329 327 325 316 312 308 304 300 296 292 @.200 @.200 247 243 239 235 231 225 221 217 258 256 254 252 250 237 233 229 225 221 217 213 LOBE LIFT LOBE LIFT .566 .562 .558 .554 .550 .533 .531 .529 .630 .630 .630 .630 .630 .540 .536 .532 .528 .524 .520 .516 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .285 .276 .266 .257 .247 .226 .217 .207 .322 .317 .312 .307 .302 .257 .248 .239 .229 .220 .211 .202 106° 106° .266 .257 .247 .237 .228 .207 .198 .189 .301 .296 .291 .286 .281 .239 .229 .220 .211 .183 .192 .183 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT @"0"LASH 1.008 1.008 1.008 1.008 1.008 .906 .899 .893 .886 .880 .959 .956 .952 .864 .858 .851 .845 .838 .832 .826 1.6 1.8 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM 1.013 1.009 1.005 1.071 1.071 1.071 1.071 1.071 .962 .955 .949 .942 .935 .918 .911 .904 .898 .891 .884 .877 1.7 1.9 1.019 1.012 1.004 1.066 1.062 1.058 1.134 1.134 1.134 1.134 1.134 .997 .990 .972 .965 .958 .950 .943 .936 .929 1.8 2.0 SOLID ROLLER 1.9 .998 1.001 1.005 1.009 1.013 1.017 1.020 1.8 .945 .949 .952 .956 .959 .963 .967 ROCKER ARM RATIO 1.7 .893 .896 .899 .903 .906 .910 .913 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° .190 .199 .209 .218 .227 .237 .246 106° .209 .218 .228 .237 .246 .256 .265 TAPPET LIFT @ TDC LIFT @ TAPPET .525 .527 .529 .531 .533 .535 .537 LOBE LIFT 216 220 224 228 232 236 240 @ .200 297 301 305 309 313 317 321 @ .050 DURATION IN DEGREES DURATION 330 334 338 342 346 350 354 RATED RATED DURATION 11145 11147 11149 11151 11153 11155 11157 LOBE # TPX Pro CAMSHAFT TYPE .020" Tappet Lift .020" Tappet Journal = R,M… Rated Duration @ MI 32.7 (15.7/17.0) These are an excellent choice for 2.165" and smaller journal camshafts where very high lobe lift lobes can compromise the base circle diameter, core strength core diameter, camshafts where very and smaller journal excellent choice for 2.165" These are an circle compromise the base high lobe lift lobes can be veryALC lobes but should These have shorter seattighter lash. good in their place if run with older Fuel/Blown timing than and stability under high loads. TSX PRO ROLLERS TSX PRO ROLLER

Like lower PLX but could achieve similar motion with lower rocker ratios orachievemorelift, rockerratios PLXbutcouldachievesimilar motionwithlower ifusedwiththesameratio. Like lower andacceleration PRZ PROSTOCKDRAGROLLERS SOLID with similarrampquicknessandarea. andrequirelessvalvereliefthanlobes racerollerlobeswithexcellentareaunderthecurve baselineProStockexhauststyledrag The PRXandPLXaregreat PRX PLXPROSTOCKDRAGROLLERS Journal =R,M,K,A… PRX ProStockDrag PRZ ProStockDrag MI 31.2(14.9/16.3) PLX ProStockDrag MI 30.1(14.2/15.9) MI 30.3(14.4/16.9) Journal =M,K,A… Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE

SOLID ROLLER LOBE # LOBE # 12451 12450 12449 12448 12447 12446 12445 12444 12443 12442 12441 12440 12439 12438 12437 12736 12735 12733 12732 12731 12472 12471 12470 12265 12264 12463 12462 12461 12460 12459 12458 12457 12456 12455 DURATION DURATION RATED RATED 345 343 341 339 337 335 333 331 329 327 325 323 321 319 317 315 313 309 307 305 338 336 334 347 345 343 341 339 337 335 333 331 329 327 DURATION INDEGREES DURATION INDEGREES @.050 @.050 314 312 310 308 306 304 302 300 298 296 294 292 290 288 286 284 282 278 276 274 308 306 304 317 315 313 311 309 307 305 303 301 299 297 @.200 @.200 237 235 233 231 229 227 225 223 221 219 217 215 213 211 209 207 205 201 199 197 234 232 230 243 241 239 237 235 233 231 229 227 225 223 LOBE LIFT LOBE LIFT .580 .578 .576 .574 .572 .570 .568 .566 .564 .562 .560 .558 .556 .554 .552 .550 .548 .544 .542 .540 .600 .598 .596 .628 .626 .624 .622 .620 .618 .616 .614 .612 .610 .608 TAPPET LIFT@ TDC TAPPET LIFT@ TDC .264 .259 .254 .249 .244 .239 .234 .228 .223 .218 .213 .208 .203 .198 .193 .188 .183 .174 .169 .164 .260 .255 .249 .287 .281 .276 .270 .265 .259 .253 .248 .253 .237 .231 106° 106° .244 .239 .233 .228 .223 .218 .213 .208 .203 .198 .193 .188 .183 .178 .173 .169 .164 .155 .150 .145 .238 .233 .228 .264 .259 .253 .248 .242 .237 .231 .226 .231 .215 .209 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT @"0"LASH 1.015 1.012 1.008 1.005 1.001 1.020 1.017 1.013 1.005 1.002 .998 .994 .991 .987 .984 .980 .977 .973 .970 .966 .963 .959 .952 .949 .945 .998 .995 .992 .989 .986 .982 .979 .976 .973 1.75 1.6 1.7 ROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM 1.073 1.069 1.066 1.062 1.058 1.055 1.051 1.047 1.043 1.040 1.036 1.032 1.029 1.025 1.021 1.018 1.014 1.006 1.003 1.080 1.076 1.073 1.068 1.064 1.061 1.057 1.054 1.051 1.047 1.044 1.040 1.037 1.034 .999 1.85 1.7 1.8 1.131 1.127 1.123 1.119 1.115 1.112 1.108 1.104 1.100 1.096 1.092 1.088 1.084 1.080 1.076 1.073 1.069 1.061 1.057 1.053 1.140 1.136 1.132 1.130 1.127 1.123 1.120 1.116 1.112 1.109 1.105 1.102 1.098 1.094 1.95 1.8 1.9 SOLID ROLLER 1.9 2.0 2.0 1.80 1.202 1.098 1.206 1.105 1.210 1.117 1.121 1.125 1.129 1.132 1.110 1.114 1.118 1.122 1.126 1.130 1.134 1.138 1.142 1.8 1.9 1.9 1.70 1.142 1.146 1.037 1.044 1.150 1.058 1.062 1.066 1.069 1.073 1.055 1.058 1.062 1.066 1.070 1.074 1.077 1.081 1.085 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.7 1.8 1.8 1.60 .976 .982 .999 1.082 1.085 1.089 1.000 1.003 1.006 1.010 1.013 1.003 1.006 1.010 1.013 1.017 1.021 1.024 1.028 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° 110° 110° .221 .226 .209 .220 .231 .208 .214 .219 .224 .229 .180 .185 .189 .194 .199 .204 .209 .214 .219 106° 106° 106° 106° .242 .248 .231 .242 .253 .229 .234 .240 .245 .250 .199 .204 .209 .214 .219 .224 .229 .234 .239 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .601 .603 .610 .614 .605 .588 .590 .592 .594 .596 .555 .557 .559 .561 .563 .565 .567 .569 .571 LOBE LIFT LOBE LIFT LOBE LIFT LOBE LIFT 228 230 226 230 232 223 225 227 229 231 211 213 215 217 219 221 223 225 227 @ .200 @ .200 @ .200 @ .200 306 308 299 303 310 300 302 304 306 308 292 294 296 298 300 302 304 306 308 @ .050 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 341 343 328 332 345 331 333 335 337 339 328 330 332 334 336 338 340 342 344 RATED RATED RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION DURATION 12398 12402 12776 12778 12403 12804 12805 12806 12807 12808 12221 12222 12223 12224 12225 12226 12227 12228 12229 LOBE # LOBE # LOBE # LOBE # XNR CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Journal = M,K,A… MI 35.0 (17.2/17.8) MI 29.0 (13.9/15.1) MI 30.5 (14.9/15.6) MI 35.8 (17.6/18.2) PVX Pro Stock Drag SPX Pro Stock Drag XCM Pro Stock Drag Journal = R,M,K,A… XNR ROLLERS New exhaust profile like PRX but with almost no ramp. XCM PRO STOCK DRAG ROLLERS area and acceleration. faster with more lift, The XCM exhaust series is simmilar to the SPX except The SPX exhaust series is simmilar to the XJX, NX and NXX while optimized to work extremely well with the SPH and SPI Intake Series. NX and NXX while optimized to work extremely The SPX exhaust series is simmilar to the XJX, SPX PRO STOCK DRAG ROLLERS SPX PRO STOCK Like PLX but with some offset to increase PTV clearance by about .006" at by about .006" the tappetexhaust. on the PTV clearance with some offset to increase Like PLX but PVX PRO STOCK DRAG ROLLERS STOCK DRAG PVX PRO ROLLER

The ZZX Exhaust lobes have a much special like ramp the offset fast to ramp give PZN slightly series. more piston to valve clearanceThe ZZX Exhaust lobes have very while otherwise behaving ZZX PROSTOCKDRAGEXHAUSTROLLERS PVS PROSTOCKDRAGEXHAUSTROLLERS XRX PROSTOCKDRAGROLLERS SOLID quicklytominimizeexhaustpumpinglosses.increased torquewhileopeningvery sensitivetoheadersandcollectorconfiguration. Maybevery The SXZ series isourexperimentwith a fast opening, closing, slower highaccleration exhaust series. These are designed to dealay the exhaust opening for SXZ PROSTOCKDRAGROLLERS PVS Pro Stock Drag Exh. PVS ProStockDrag ZZX Pro Stock Drag Exh. ZZX ProStockDrag XRX ProStockDrag SXZ ProStockDrag MI 30.8(15.0/15.8) MI 33.8(16.4/17.4) MI 27.8(13.6/14.2) MI 28.5(13.8/14.7) Journal =M,K,A… Rated Duration @ Duration Rated Rated Duration @ Duration Rated @ Duration Rated Rated Duration @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE SOLID ROLLER LOBE # LOBE # LOBE # LOBE # 12467 12475 12474 12955 12954 12953 12952 12951 12797 12796 12795 2369 2384 2383 DURATION DURATION DURATION DURATION RATED RATED RATED RATED 335 333 331 338 336 334 334 332 330 328 326 337 335 333 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 @.050 304 302 300 304 302 300 306 304 302 300 298 309 307 305 @.200 @.200 @.200 @.200 228 226 224 224 222 220 234 232 230 228 226 236 234 232 LOBE LIFT LOBE LIFT LOBE LIFT LOBE LIFT .569 .567 .565 .564 .562 .560 .584 .582 .580 .578 .576 .581 .579 .577 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .242 .237 .231 .229 .224 .219 .255 .250 .245 .239 .234 .261 .256 .251 106° 106° 106° 106° .221 .216 .211 .209 .204 .200 .234 .228 .222 .217 .212 .241 .235 .230 110° 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT @"0"LASH THEORETICAL VALVE LIFT@"0"LASH 1.022 1.019 1.015 1.012 1.008 1.046 1.042 1.039 .967 .964 .961 .987 .984 .980 1.75 1.75 1.7 1.8 ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM 1.024 1.021 1.017 1.043 1.040 1.036 1.080 1.077 1.073 1.069 1.066 1.104 1.100 1.096 1.85 1.85 1.8 1.9 1.081 1.077 1.074 1.100 1.096 1.092 1.139 1.135 1.131 1.127 1.123 1.162 1.158 1.154 1.95 1.95 1.9 2.0 SOLID ROLLER 2.0 1.9 1.95 1.110 1.113 1.115 1.117 1.121 1.125 1.129 1.133 1.110 1.113 1.117 1.121 1.125 1.075 1.083 1.087 1.091 1.094 1.098 1.102 1.106 1.110 1.113 1.117 1.121 1.125 1.129 1.133 1.160 1.124 1.128 1.132 1.9 1.8 1.85 1.053 1.056 1.058 1.060 1.064 1.067 1.071 1.075 1.053 1.056 1.060 1.064 1.067 1.019 1.026 1.030 1.033 1.038 1.042 1.045 1.049 1.053 1.056 1.060 1.064 1.067 1.071 1.075 1.101 1.068 1.072 1.075 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.8 1.7 1.75 .996 .999 .996 .999 .962 .969 .972 .976 .982 .985 .989 .992 .996 .999 1.001 1.003 1.006 1.010 1.013 1.017 1.003 1.006 1.010 1.003 1.006 1.010 1.013 1.017 1.041 1.012 1.015 1.019 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° 110° .206 .212 .214 .217 .222 .227 .232 .238 .205 .210 .215 .220 .225 .221 .231 .236 .241 .193 .198 .203 .209 .214 .219 .224 .229 .235 .240 .245 .237 .218 .223 .229 106° 106° 106° .227 .232 .235 .238 .242 .248 .253 .259 .225 .230 .235 .241 .246 .241 .251 .257 .262 .214 .219 .224 .230 .235 .240 .245 .251 .256 .261 .266 .258 .239 .244 .249 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .569 .571 .572 .573 .575 .577 .579 .581 .569 .571 .573 .575 .577 .566 .570 .572 .574 .561 .563 .565 .567 .569 .571 .573 .575 .577 .579 .581 .595 .562 .564 .566 LOBE LIFT LOBE LIFT LOBE LIFT 223 225 226 227 229 231 233 235 223 225 227 229 231 228 232 234 236 218 220 222 224 226 228 230 232 234 236 238 234 227 229 231 @ .200 @ .200 @ .200 299 301 302 303 305 307 309 311 299 301 303 305 307 304 308 310 312 291 293 295 297 299 301 303 305 307 309 311 307 300 302 304 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 328 330 331 332 334 336 338 340 329 331 333 335 337 334 338 340 342 320 322 324 326 328 330 332 334 336 338 340 336 328 330 332 RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION 12605 12606 12596 12607 12619 12620 12621 12629 12611 12623 12624 12625 12626 12114 12116 12117 12118 12538 12539 12541 12542 12544 12545 12546 12547 12548 12549 12551 12590 11282 11283 11284 LOBE # LOBE # LOBE # CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Journal = M,K,A… Journal = M,K,A… Journal = M,K,A… PYJ Pro Stock Drag PZJ Pro Stock Drag MI 29.1 (14.3/14.8) MI 29.7 (14.4/15.3) MI 30.0 (14.5/15.5) MI 28.6 (13.8/14.8) MI 28.4 (13.8/14.6) PZN Pro Stock Drag DXP Pro Stock Drag XCH Pro Stock Drag XCH PRO STOCK DRAG ROLLERS DXP PRO STOCK DRAG ROLLERS The PZN, PZJ and PYJ quicker ramp Pro Stock Exhaust designs have ramp Pro Stock Exhaust PZJ and PYJ quicker seat style designs in steep over the older XJX & XKX themselves as an upgrade proven The PZN, and better at while the PZJ and PYJ lobes are smoother high engine speed. The PZNs are the fastest and most aggressive, angle applications. PZN PZJ PYJ PRO STOCK DRAG ROLLERS PYJ PRO STOCK PZN PZJ ROLLER

exhaust pumpinglosses. wherespringlife isaconcern. The XJZlobesarejustabitsmootherforhigherRPMapplications toremovespentgassesandreduce whereoneneedsmaximumareaunderthecurve The XMZandXJZlobesareoutstandinginProModtypeapplications XMZ XJZPROMODEXHAUSTDRAGROLLERS PNX PROSTOCKDRAGROLLERS SOLID TXJ PROSTOCKDRAGROLLERS Journal =MG,K,A… PNX ProStockDrag MI 32.1(15.0/17.1) MI 29.5(14.4/15.1) MI 27.7(13.5/14.2) MI 33.5(16.3/17.2) TXJ ProStockDrag Journal =L,K,A… Journal =L,K,A… XMZ ProModExh. XJZ ProMod. Exh. Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated @ Duration Rated .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE SOLID ROLLER LOBE # LOBE # LOBE # 12318 12317 12316 12315 12314 12313 12325 14044 14042 14040 14039 14038 12401 12389 12388 12387 12369 12368 12367 12362 12361 12329 12328 12074 12073 12072 DURATION DURATION DURATION RATED RATED RATED 363 361 359 357 355 353 351 362 358 354 352 350 365 361 359 357 361 359 357 355 353 351 349 334 332 330 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 331 329 327 325 323 321 319 332 328 324 322 320 337 333 331 329 333 331 329 327 325 323 321 301 299 297 @.200 @.200 @.200 253 251 249 247 245 243 241 258 254 250 248 246 267 263 261 259 263 260 258 256 254 252 250 222 220 218 LOBE LIFT LOBE LIFT LOBE LIFT .607 .605 .603 .601 .599 .597 .595 .646 .644 .642 .640 .638 .668 .664 .662 .660 .639 .637 .635 .633 .631 .629 .627 .555 .553 .551 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .306 .301 .296 .291 .286 .281 .276 .324 .313 .303 .297 .292 .358 .346 .340 .335 .343 .337 .333 .327 .321 .315 .309 .224 .219 .214 106° 106° 106° .286 .281 .276 .271 .266 .260 .255 .302 .291 .281 .275 .270 .334 .323 .317 .312 .321 .315 .310 .305 .299 .292 .287 .204 .199 .194 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH 1.093 1.089 1.085 1.082 1.078 1.075 1.071 1.163 1.159 1.156 1.152 1.148 1.202 1.195 1.192 1.188 1.150 1.147 1.143 1.139 1.136 1.132 1.129 .999 .995 .992 1.8 1.8 1.8 ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM 1.153 1.150 1.146 1.142 1.138 1.134 1.131 1.227 1.224 1.220 1.216 1.212 1.269 1.262 1.258 1.254 1.214 1.210 1.207 1.203 1.199 1.195 1.191 1.055 1.051 1.047 1.9 1.9 1.9 1.214 1.210 1.206 1.202 1.198 1.194 1.190 1.292 1.288 1.284 1.280 1.276 1.336 1.328 1.324 1.320 1.278 1.274 1.270 1.266 1.262 1.258 1.254 1.110 1.106 1.102 2.0 2.0 2.0 SOLID ROLLER 1.7 1.78 1.78 .926 .927 .931 .935 .936 .936 .936 .936 .936 .936 .936 .936 .936 .954 .954 .954 .954 .954 .954 1.187 1.190 1.193 1.197 1.200 1.6 1.73 1.73 .900 .901 .905 .908 .910 .910 .910 .910 .910 .910 .910 .910 .910 .927 .927 .927 .927 .927 .927 1.117 1.120 1.123 1.126 1.130 ROCKER ARM RATIO ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.68 1.68 .874 .875 .879 .882 .884 .884 .884 .884 .884 .884 .884 .884 .884 .900 .900 .900 .900 .900 .900 1.047 1.050 1.053 1.056 1.059 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° 110° .252 .258 .264 .270 .276 .137 .141 .145 .149 .153 .158 .162 .167 .171 .175 .180 .185 .189 .169 .178 .187 .197 .202 .206 106° 106° 106° .276 .282 .288 .294 .300 .154 .158 .162 .167 .171 .176 .180 .185 .189 .194 .199 .203 .208 .187 .197 .206 .216 .221 .226 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .698 .700 .702 .704 .706 .520 .521 .523 .525 .526 .526 .526 .526 .526 .526 .526 .526 .526 .536 .536 .536 .536 .536 .536 LOBE LIFT LOBE LIFT LOBE LIFT 238 240 242 244 246 192 194 196 198 199 202 203 205 207 209 211 213 215 207 211 215 219 221 223 @ .200 @ .200 @ .200 314 316 318 320 322 273 275 277 279 281 283 285 287 289 291 293 295 297 287 291 295 299 301 303 @ .050 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 348 350 352 354 356 306 308 310 312 314 316 318 320 322 324 326 328 330 319 323 327 331 333 335 RATED RATED RATED RATED RATED RATED DURATION DURATION DURATION 2067 2069 2068 2047 2073 2048 2074 2049 2075 2050 2076 2051 2077 2082 2083 2084 2085 2086 2094 11090 11091 11092 11093 11094 LOBE # LOBE # LOBE # SOLID ROLLER (H = TOP FUEL & ALK) & TOP FUEL = SOLID ROLLER (H UDR Rollers CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Journal = R,M… Rated Duration @ Rated Duration @ Rated Duration @ Journal = A,C,O… Journal = B,R,M… FDR Fuel & ALC Int. FDR Fuel & MI 33.9 (16.3/17.6) MI 32.9 (16.2/16.7) MI 32.4 (16.1/16.3) PXC Pro Stock Drag FDR FUEL & ALC INTAKE ROLLERS ALC INTAKE FDR FUEL & These are designed for slightly lowershouldbut series RPM than the UDR but havedesigns designs are similar to the UDR FDR The ramps. faster and lift more and .800"+ roller wheels. 2.124"+ journals For be stable in most applications. The UDR designs take advantage of our latest for higher techniques and provide higher lift and more area than older designs while improving stability design thoseespecially extremely well in anyapplication Work that and durability, excellent area needs geometry. the Hemi style valve train with even operation, RPM that cannot run as stiff or light of a valve train & rocker system as might be found in Pro Stock. UDR FUEL & ALC INTAKE ROLLERS ALC INTAKE UDR FUEL & Lower ratio exhaust design for 70mm, 75mm or 78mm effective journal size cams and low journal size cams and 75mm or 78mm effective (1.5:1 to 1.7) ratios.Lower ratio design for 70mm, exhaust PXC PRO STOCK DRAG ROLLERS STOCK DRAG PXC PRO ROLLER

These profilesare race Top Fueldesigns foruseinmodernprofessionaldrag classes. FLX FUELEXHAUSTROLLERS These profilesare race Top Fueldesignsforuseinmodernprofessionaldrag classes. FLI FUELINTAKE ROLLERS These profilesare race Top Fueldesignsforuseinmodernprofessionaldrag classes. EF FUEL& ALC INTAKE ROLLERS SOLID exhaustopeningintheseapplications.at These willworkontheintakesidebutareoptimizedforexhaust. For 2.124"+journalsand.800"+rollerwheels. theincreasedcylinder toaccommodate limitedopeningacceleration pressuresseen The FCXdesignsarebasedonourpopularXCXexhaustbuthave FCX FUEL& ALC EXHAUSTROLLERS MI 33.2(16.0/17.2) MI 34.2(15.5/18.7) MI 35.0(16.7/18.3) MI 38.5(19.0/19.5) Journal =B,R,M… Journal =B,R,M… Journal =B,R,M… Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated EF Fuel& ALC Int. .020" TappetLift .020" TappetLift .020" TappetLift .020" TappetLift FCX FuelRollers CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE FLX FuelExh. FLI FuelInt. SOLID ROLLER LOBE # LOBE # LOBE # LOBE # 2116 2115 2114 2099 2098 2097 2096 2140 2139 2138 2167 2166 2165 2164 2163 2162 2169 2171 DURATION DURATION DURATION DURATION RATED RATED RATED RATED 337 333 329 335 335 329 329 341 337 333 344 340 336 332 328 324 320 316 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @.050 @.050 @.050 @.050 304 300 296 301 301 295 295 306 302 298 305 301 297 293 289 285 281 277 @.200 @.200 @.200 @.200 221 218 214 218 217 212 211 221 217 213 219 215 211 207 203 199 195 191 LOBE LIFT LOBE LIFT LOBE LIFT LOBE LIFT .517 .515 .513 .500 .475 .500 .475 .514 .512 .510 .512 .512 .512 .512 .512 .512 .512 .512 TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC TAPPET LIFT@ TDC .221 .212 .203 .213 .210 .200 .198 .221 .212 .203 .215 .206 .198 .189 .180 .171 .163 .154 106° 106° 106° 106° .202 .194 .185 .195 .193 .182 .180 .203 .195 .186 .197 .188 .180 .171 .162 .154 .146 .138 110° 110° 110° 110° THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT @"0"LASH THEORETICAL VALVE LIFT@"0"LASH .869 .865 .862 .840 .798 .840 .798 .864 .860 .857 .860 .860 .860 .860 .860 .860 .860 .860 1.68 1.68 1.68 1.68 ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM .894 .891 .887 .865 .822 .865 .822 .889 .886 .882 .886 .886 .886 .886 .886 .886 .886 .886 1.73 1.73 1.73 1.73 .920 .917 .913 .890 .846 .890 .846 .915 .911 .908 .911 .911 .911 .911 .911 .911 .911 .911 1.78 1.78 1.78 1.78 SOLID ROLLER 1.7 1.80 .816 .850 .850 .850 .850 .850 .825 .825 .825 .850 .850 .900 .902 .904 .905 .907 .925 .927 .929 .931 .932 1.6 1.75 .768 .800 .800 .800 .800 .800 .776 .776 .776 .800 .800 .875 .877 .879 .880 .882 .900 .901 .903 .905 .907 ROCKER ARM RATIO ROCKER ARM RATIO 1.5 1.70 .720 .750 .750 .750 .750 .750 .728 .728 .728 .750 .750 .850 .852 .853 .855 .857 .874 .876 .877 .879 .881 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL SOLID ROLLER SOLID 110° 110° .132 .161 .159 .167 .168 .176 .169 .174 .183 .186 .197 .196 .198 .200 .203 .205 .197 .199 .201 .203 .205 106° 106° .148 .179 .175 .186 .174 .193 .186 .191 .199 .204 .214 .213 .216 .218 .220 .222 .214 .216 .218 .221 .223 TAPPET LIFT @ TDC LIFT @ TAPPET TAPPET LIFT @ TDC LIFT @ TAPPET .480 .500 .500 .500 .500 .500 .485 .485 .485 .500 .500 .500 .501 .502 .503 .504 .514 .515 .516 .517 .518 LOBE LIFT LOBE LIFT 190 202 198 204 202 208 206 208 212 214 217 217 218 219 220 221 217 218 219 220 221 @ .200 @ .200 274 282 286 286 292 292 290 294 294 298 304 300 301 302 303 304 300 301 302 303 304 @ .050 @ .050 DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION 332 333 334 335 336 332 333 334 335 336 314-1 320-8 327-2 324-8 333-1 330-9 327-3 331-3 335-4 336-3 342-4 RATED RATED RATED RATED DURATION DURATION 1661 1625 1634 4248 4083 1642 1635 1491 1649 1650 1662 14154 14155 14156 14157 14158 14164 14165 14166 14167 14168 LOBE # LOBE # NFV Pro CAMSHAFT TYPE CAMSHAFT TYPE .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet .020" Tappet Lift .020" Tappet Journal = R,M… Chrysler Specials Rated Duration @ Rated Duration @ Rated Duration @ NFV Pro Higher Lift Journal = B,R,M… MI 38.0 (19.0/19.0) MI 32.3 (15.8/16.5) MI 32.3 (15.8/16.5) Journal = S,B,R,M… CHRYSLER SPECIAL RACE ROLLERS CHRYSLER in Super Street, Hemis and 440 motors primarily on 383-426W-426 The "Special Roller" offers a variety of lobes used These designs are for Chryslers only. Hemis. Alcohol burning Pro Stock and Super Stock, The FCX designs are based on our popular XCX exhaust designs but have XCX exhaust designs are based on our popular The FCX designs pressures seen acceleration limited opening to accommodate cylinder the increased 2.124"+ journals and .800"+ roller wheels. For intake side but are optimized for the exhaust. These will work on the at applications. exhaust opening in these NFV TOP FUEL PRO DRAG ROLLERS (2012/2013) FUEL PRO DRAG TOP NFV PIVOTING FOLLOWER

OVERHEAD CAM and liftgivenforstockvalve, lifterandrockerarmgeometry. .500" valve lift. with The .425" versions are best suited DOHC applications PI cylinder‘99 or later heads andcan be used with stock valve train. Valve durations will workin ‘98 andearlierSOHCengineswithoutcylinder headmodifications. beenmodifiedtoaccept have that applications wellinDOCH Theyalsoworkvery These profilesaredevelopedforusein Ford Modularengines. morearea. andhave aggressive offtheseat The.550"versionsaremore The.500"liftversions FORD MODULARXTREMEENERGY w/ StockGeometry Rated Duration @ Duration Rated CAMSHAFT TYPE Valve LiftGiven .006" Valve Lift .006" Valve XE F4.6 OVERHEAD CAM LOBE # 9273 9272 9271 9270 9269 9268 9267 9266 9260 9259 9258 9257 9256 9254 9346 9345 9344 9343 9342 9341 9325 9324 9323 9322 9321 9320 9245 9244 9243 9242 9241 9240 RATED DURATION ™ 290 286 282 278 274 270 266 262 278 274 270 268 262 254 278 274 270 266 262 258 276 272 268 264 260 256 274 270 266 262 258 254 4.6&5.4L−SOHCORDOHC @.050 254 250 246 242 238 234 230 226 240 236 232 230 224 216 242 238 234 230 226 222 240 236 232 228 224 220 238 234 230 226 222 218 DURATION INDEGREES @.200 203 199 196 192 189 185 181 177 186 182 179 177 171 164 186 183 180 176 172 169 183 179 176 172 168 165 186 182 179 177 171 164 LOBE LIFT .300 .300 .300 .300 .300 .300 .300 .300 .274 .274 .274 .274 .274 .274 .263 .263 .263 .263 .263 .263 .250 .250 .250 .250 .250 .250 .236 .236 .236 .236 .236 .236 VALVE LIFT .550 .550 .550 .550 .550 .550 .550 .550 .500 .500 .500 .500 .500 .500 .475 .475 .475 .475 .475 .475 .450 .450 .450 .450 .450 .450 .425 .425 .425 .425 .425 .425 OVERHEAD CAM PIVOTING FOLLOWER .387 .387 .387 .387 .387 .387 .387 .402 .402 .402 .402 .402 .412 .412 .412 .412 .412 .412 .412 .412 .438 .438 .438 .472 .472 .472 .472 .472 .472 .472 .472 .472 .472 .472 .510 .510 .510 .510 .510 .510 .550 .550 VALVE LIFT VALVE .217 .217 .217 .217 .217 .217 .217 .225 .225 .225 .225 .225 .230 .230 .230 .230 .230 .230 .230 .230 .244 .244 .244 .262 .262 .262 .262 .262 .262 .262 .262 .262 .262 .262 .282 .282 .282 .282 .282 .282 .302 .302 LOBE LIFT OVERHEAD CAM OVERHEAD 178 185 191 198 204 206 210 183 196 200 205 209 170 178 182 186 201 205 209 219 172 180 188 182 285 187 189 192 198 202 206 208 212 216 201 203 205 207 211 215 212 215 @ .200 DURATION IN DEGREES DURATION 235 243 249 255 261 263 267 239 253 257 261 265 227 235 239 243 257 261 265 275 227 235 243 235 237 239 241 245 251 255 259 261 265 269 253 255 257 259 263 267 263 267 @ .050 268 276 282 288 294 296 300 273 286 290 294 299 260 268 272 276 290 294 298 308 260 268 276 268 270 272 274 278 284 288 292 294 298 302 286 288 290 292 296 300 296 300 RATED DURATION RATED 9291 9292 9293 9294 9295 9296 9297 9298 9299 9300 9283 9284 9303 9301 9304 9302 9306 9307 9371 9373 9310 9311 9312 9313 9314 9315 19307 19305 19291 19292 19306 19295 19296 19301 19297 19293 19294 19298 19299 19300 19314 19315 LOBE # SE .006" Valve .006" Valve Lift CAMSHAFT TYPE Rated Duration @ MODULAR STOCKER MODULAR PIVOTING FOLLOWER

exceed 8500RPM. The MSseriesdesignsareforFord Modular2V&4V race typeapplications. regularly that These are evenonestepsmootherthantheMHseriesforapplications MS SERIES2V&4VMODULARRACE OVERHEAD CAM oftheadditionallift. arehighlyrecommendedtotakeadvantage modifications longstreetstyle higherenginespeedsthanthestandardstreetlobeprofilesbutdonothave stable at closing rampsforidlenoisereduction. Cylinder head conversion. Insolidapplications, thevalvetipor.006"to.010"inbetween thecamandrollerfollower. therecommendedlashis.010"to.016"at These are The MHSeriesdesignsareforFord Modular2V&4Vracetypeapplications. These canbeusedeitherwithastandardhydrauliclashadjusterorsolid MH 2V&4VMODULARRACE MHS MODULARSTOCKER Rated Duration @ Duration Rated @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE .006" Valve Lift .006" Valve Lift .006" Valve .006" Valve Lift .006" Valve .006" Valve Lift .006" Valve MS XEF4.6 .930" BCR .940" BCR .920" BCR XE F4.6 XE F4.6 MHS OVERHEAD CAM LOBE # LOBE # 19346 19334 19345 19344 19343 19342 19341 19370 19269 19268 19267 19266 19265 19264 19263 19262 19380 19280 19279 19278 19277 19276 19275 19274 19273 19272 LOBE # 19236 19235 VALVE LIFT VALVE LIFT GROSS GROSS .600 .600 .600 .600 .600 .600 .600 .585 .585 .585 .585 .585 .585 .585 .585 .585 .625 .625 .625 .625 .625 .625 .625 .625 .625 .625 RATED DURATION 294 290 @ .006 @ .006 304 302 300 298 296 294 292 314 306 302 298 294 290 286 282 278 314 310 306 302 298 294 290 286 282 278 DURATION INDEGREES DURATION INDEGREES @ .050 @ .050 260 258 256 254 252 250 248 272 264 260 256 252 248 244 240 236 272 268 264 260 256 252 248 244 240 236 @.050 252 248 DURATION INDEGREES @ .200 @ .200 205 203 201 199 197 195 193 218 211 207 203 199 195 191 187 183 219 215 211 207 203 199 195 191 187 183 VALVE LIFT@ TDC VALVE LIFT@ TDC .178 .171 .165 .158 .151 .145 .139 .221 .195 .182 .168 .155 .142 .129 .117 .105 .224 .210 .197 .183 .169 .155 .142 .129 .117 .105 106° 106° @.200 197 195 .152 .145 .139 .133 .127 .121 .115 .194 .168 .155 .142 .129 .117 .105 .094 .083 .196 .183 .169 .156 .142 .129 .117 .105 .094 .083 110° 110° LOBE LIFT CHECKING DURATION CHECKING DURATION @ .050/.750 Wheel @ @ .050/.750 Wheel @ .276 .276 241 239 237 235 233 231 229 254 246 242 238 234 230 226 222 218 254 250 246 242 238 234 230 226 222 218 VALVE LIFT .500 .500 LOBE LIFT LOBE LIFT .328 .328 .328 .328 .328 .328 .328 .320 .320 .320 .320 .320 .320 .320 .320 .320 .341 .341 .341 .341 .341 .341 .341 .341 .341 .341 OVERHEAD CAM PIVOTING FOLLOWER 2.1 .496 .506 .517 .527 .536 .491 .494 .498 .504 .510 .466 .466 .466 .466 .466 .466 .468 .468 .468 .468 .468 .468 .468 .517 .538 .550 .561 .573 .557 .569 .573 .578 .578 .578 2.05 .484 .494 .504 .515 .523 .482 .486 .492 .498 .455 .455 .455 .455 .455 .457 .457 .457 .457 .457 .457 .457 .504 .537 .547 .560 .543 .556 .560 .564 .564 .564 .480 .455 .525 ROCKER ARM RATIO 2.0 .472 .482 .492 .502 .510 .470 .474 .480 .486 .444 .444 .444 .444 .444 .446 .446 .446 .446 .446 .446 .446 .492 .524 .534 .546 .530 .542 .546 .550 .550 .550 .468 .444 .512 THEORETICAL VALVE LIFT @ "0" LASH VALVE THEORETICAL OVERHEAD CAM OVERHEAD .236 .241 .246 .251 .255 .235 .237 .240 .243 .222 .222 .222 .222 .222 .223 .223 .223 .223 .223 .223 .223 .246 .262 .267 .273 .265 .271 .273 .275 .275 .275 .234 .222 .256 LOBE LIFT .480 .490 .500 .510 .520 .475 .480 .485 .490 .450 .450 .450 .450 .450 .450 .450 .450 .450 .450 .450 .450 .500 .535 .547 .559 .538 .550 .555 .560 .560 .560 .470 .450 .523 VALVE LIFT VALVE 161 169 173 177 181 173 177 181 185 163 167 171 179 186 169 173 176 180 186 193 201 176 179 187 195 176 184 188 192 195 203 169 160 171 @ .200 214 222 226 230 234 231 235 239 243 218 222 226 234 242 227 231 235 239 246 254 262 228 229 237 245 228 236 240 244 248 256 227 214 221 DURATION IN DEGREES DURATION @ .006 4.6 & 5.4L − 3V 4.6 & 5.4L ™ 253 261 265 269 273 274 278 282 286 298 257 261 265 273 281 270 274 278 282 306 314 264 264 272 280 267 275 279 283 287 295 270 253 256 RATED DURATION 9234 9236 9237 9238 9239 9247 9248 9251 9252 9246 19221 19203 19204 19205 19207 19209 19213 19214 19215 19216 19223 19225 19194 19242 19244 19246 19251 19253 19254 19255 19256 19258 19202 19240 LOBE # Faster Intake Faster XE 3V TVK Int. XE 3V XE 3V Mod Int. XE 3V TVK Exh. XE 3V .006" Valve .006" Valve Lift .006" Valve .006" Valve Lift .006" Valve Lift .006" Valve .006" Valve Lift .006" Valve Lift .006" Valve .006" Valve Lift .006" Valve .006" Valve Lift XE 3V Mod Exh. CAMSHAFT TYPE XE 3V LL Mod Int. XE 3V LL THMP-X XE 3V LL Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ XE 3V LL Mod Exh. These profiles are developed for use in 3V Ford Modular engines. Note that the effective rocker ratio is much higher in this application than in the 2V or 4V. The that Note ratio rocker effective the this in higher much is application 4V. or 2V the in than engines. Modular Ford 3V in use for developed are profiles These than the exhaust due these 3V intake profiles are quicker Also, in 3V hence the other profiles are not recommended applications. are also smaller, base circles to the much lighter valves. FORD MODULAR XTREME ENERGY XTREME FORD MODULAR PIVOTING FOLLOWER

FORD COYOTE CY-R OVERHEAD CAMFORD COYOTE NSRI&NSRXSTREET−4V FORD MODULARRSSRACE−3V Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE XE 3VRSSExh. .004" Valve Lift .004" Valve .004" Valve Lift .004" Valve .004" Valve Lift .004" Valve .004" Valve Lift .004" Valve Lift .004" Valve .010" Valve Lift .010" Valve .010" Valve Lift .010" Valve XE 3VRSSInt. Thumpr Exh. NSRX Exh. CY-R Exh. NSRI Int. CY-R Int. Solid Solid OVERHEAD CAM LOBE # LOBE # LOBE # 19769 19768 19767 19766 19569 19568 19567 19566 19565 19564 19558 19556 19554 19836 19835 19834 19833 19832 19831 19830 19825 19824 19823 19822 19821 19820 19404 19402 19400 19413 19411 19409 DURATION DURATION DURATION RATED RATED RATED 319 315 311 307 296 292 288 284 280 276 283 275 267 297 293 289 285 281 277 273 285 281 277 273 269 265 314 306 298 333 325 317 DURATION INDEGREES DURATION INDEGREES DURATION INDEGREES @ .006 @ .006 @ .006 246 242 238 234 243 239 235 231 227 223 236 228 220 249 245 241 237 233 229 225 243 239 235 231 227 223 276 268 260 288 280 272 @ .200 @ .200 @ .200 187 183 179 175 186 183 179 175 171 167 183 175 167 197 193 189 185 181 178 174 192 188 184 180 177 173 220 212 204 229 221 213 VALVE LIFT VALVE LIFT VALVE LIFT .470 .470 .470 .470 .453 .453 .453 .453 .453 .453 .492 .492 .492 .514 .514 .514 .514 .514 .514 .514 .516 .516 .516 .516 .516 .516 .650 .650 .650 .700 .700 .700 LOBE LIFT LOBE LIFT LOBE LIFT .2542 .2542 .2542 .2542 .2542 .2542 .2542 .2552 .2552 .2552 .2552 .2552 .2552 .234 .234 .234 .234 .225 .225 .225 .225 .225 .225 .244 .244 .244 .316 .316 .316 .340 .340 .340 THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH THEORETICAL VALVE LIFT@"0"LASH .467 .467 .467 .467 .450 .450 .450 .450 .450 .450 .488 .488 .488 .508 .508 .508 .508 .508 .508 .508 .510 .510 .510 .510 .510 .510 .632 .632 .632 .680 .680 .680 2.0 2.0 2.0 ROCKER ARM RATIOROCKER ARM RATIOROCKER ARM ROCKER ARM RATIOROCKER ARM .479 .479 .479 .479 .461 .461 .461 .461 .461 .461 .500 .500 .500 .521 .521 .521 .521 .521 .521 .521 .523 .523 .523 .523 .523 .523 .648 .648 .648 .697 .697 .697 2.05 2.05 2.05 .490 .490 .490 .490 .473 .473 .473 .473 .473 .473 .512 .512 .512 .534 .534 .534 .534 .534 .534 .534 .536 .536 .536 .536 .536 .536 .664 .664 .664 .714 .714 .714 2.1 2.1 2.1 OVERHEAD CAM PIVOTING FOLLOWER 2.1 .532 .532 .532 .532 .532 .532 .532 .580 .584 .589 .594 .594 .594 .594 .522 .527 .532 .532 .532 .532 .532 .532 .490 .490 .490 .490 .490 .490 .490 .490 .400 .406 .420 .440 .460 .445 .463 .580 VALVE LIFT VALVE 2.05 .519 .510 .479 .519 .519 .519 .519 .519 .519 .566 .570 .575 .580 .580 .580 .580 .514 .519 .519 .519 .519 .519 .519 .479 .479 .479 .479 .479 .479 .479 ROCKER ARM RATIO 2.0 .506 .497 .467 .506 .506 .506 .506 .506 .506 .552 .556 .561 .566 .566 .566 .566 .502 .506 .506 .506 .506 .506 .506 .467 .467 .467 .467 .467 .467 .467 .240 .246 .252 .264 .277 .282 .292 .350 THEORETICAL VALVE LIFT @ "0" LASH LIFT @ "0" VALVE THEORETICAL LOBE LIFT OVERHEAD CAM OVERHEAD .2532 .2486 .2335 .2532 .2532 .2532 .2532 .2532 .2532 .2760 .2779 .2806 .2829 .2829 .2829 .2829 .2509 .2532 .2532 .2532 .2532 .2532 .2532 .2335 .2335 .2335 .2335 .2335 .2335 .2335 LOBE LIFT 200 210 218 226 236 242 264 278 .512 .502 .470 .512 .512 .512 .512 .512 .512 .561 .565 .571 .576 .576 .576 .576 .507 .512 .512 .512 .512 .512 .512 .470 .470 .470 .470 .470 .470 .470 @ .050 VALVE LIFT VALVE DURATION IN DEGREES DURATION 180 179 190 184 188 191 195 199 203 181 185 189 193 197 201 205 183 187 191 194 198 202 206 194 198 202 190 194 198 202 @ .200 240 252 260 268 280 272 294 300 @ .010 232 234 244 236 240 244 248 252 256 232 236 240 244 248 252 256 238 242 246 250 254 258 262 248 252 256 246 250 254 258 @ .006 DURATION IN DEGREES DURATION RATED DURATION RATED 278 287 290 282 286 290 294 298 302 278 282 286 290 294 298 302 291 295 299 303 307 311 315 294 298 302 299 303 307 311 RATED DURATION 8022 8023 8024 8025 8026 8006 8007 8008 LOBE # 19575 19592 19608 19576 19577 19578 19579 19580 19581 19582 19583 19584 19585 19586 19587 19588 19593 19594 19595 19596 19597 19598 19599 19609 19610 19611 19615 19616 19617 19618 LOBE # Solid Street CRI Int. CRX Exh. .010" Lash .004" Valve .004" Valve Lift .004" Valve .004" Valve Lift .004" Valve .004" Valve Lift .004" Valve .004" Valve Lift Valve Lift Given Valve CRI Int. Stocker CRI Int. CAMSHAFT TYPE CAMSHAFT TYPE Street Hydraulic CRX Exh. Stocker CRX Exh. Rated Duration @ Rated Duration @ Rated Duration @ Rated Duration @ w/ Stock Geometry FORD 2000-2300 OHC STREET FORD COYOTE CRI & CRX RACE − 4V CRI & FORD COYOTE PIVOTING FOLLOWER

These profilesaredesignedforusein withrollerfollowers. applications Ford 2000-2300OHC(Pinto) OVERHEADFORD 2000-2300OHCRACEROLLERFOLLOWER CAM will requireextratime. Valve andliftgivenforstockvalve, durations lifterandrockergeometry. style sliding followers.These profiles are designed for use in with factory applications Cams must be nitrided after grinding and Ford 2000-2300 OHC (Pinto) FORD 2000-2300OHCRACE Hi-Tech RT StyleRollerRace w/ StockGeometry CAMSHAFT TYPE CAMSHAFT TYPE Valve LiftGiven .480" LiftRule .010" Lash .010" Lash .010" Lash .010" Lash .010" Lash Base Solid Base Solid ™ Race Race Race Solid RollerRace OVERHEAD CAM Intake-Exhaust 8386-8387 8384-8385 8382-8383 8380-8381 8376-8377 8374-8375 LOBE # LOBE # Intake 8327 8325 8306 8304 8316 8314 8312 8090 8366 8096 8364 8098 8362 8066 8360 8064 RATED DURATION RATED DURATION 320 314 300 294 296 292 303 288 299 300 295 298 288 291 294 280 283 290 280 279 286 270 DURATION INDEGREES DURATION INDEGREES @ .050 @ .050 @ .050 288 282 278 272 268 264 270 260 266 268 262 270 256 258 266 248 250 262 248 246 258 238 LOBE LIFT LOBE LIFT .297 .297 .297 .297 .284 .284 .344 .284 .344 .345 .344 .363 .300 .344 .363 .270 .344 .360 .300 .344 .355 .280 VALVE LIFT VALVE LIFT .516 .516 .516 .516 .480 .480 .620 .480 .620 .575 .620 .660 .500 .620 .660 .460 .620 .655 .500 .620 .645 .460 OVERHEAD CAM PIVOTING FOLLOWER 261 265 269 273 277 261 265 269 273 277 267 271 275 279 283 @ .050 DURATION LOBE CHECK .360 .363 .366 .369 .372 .387 .387 .387 .387 .387 .405 .405 .405 .405 .405 LOBE LIFT .658 .664 .670 .676 .682 .710 .710 .710 .710 .710 .745 .745 .745 .745 .745 OVERHEAD CAM OVERHEAD VALVE LIFT VALVE 221 225 229 233 237 221 225 229 233 237 226 230 234 238 242 @ .200 DURATION IN DEGREES DURATION 284 288 292 296 300 284 288 292 296 300 291 295 299 303 307 @ .050 313 317 321 325 329 313 317 321 325 329 322 326 330 334 338 RATED DURATION 8410 8411 8412 8413 8414 8420 8421 8422 8423 8424 8552 8553 8554 8555 8556 LOBE # Race Race 2300 FP Roller .020" Valve .020" Valve Lift .020" Valve .020" Valve Lift CAMSHAFT TYPE 2300 FPS Roller Rated Duration @ Rated Duration @ These profile are designed at the valve for a .500" base circle radius Ford 2300 with roller followers. Use an "I" suffix for intake profiles and an "E" suffix for intake profiles Use an "I" suffix for Ford 2300 with roller followers. radius are designed These profile for a .500" base circle at the valve exhaust profiles. FORD 2300 − FP ROLLER FORD 2300 PIVOTING FOLLOWER

OVERHEAD CAM applications.These profilesaredesignedforuseinGMECOTEC andliftgivenforstockvalve,Valve durations lifterandrockerarmgeometry. GM ECOTEC−XTREMEENERGY Rated Duration @ Duration Rated Rated Duration @ Duration Rated @ Duration Rated Rated Duration @ Duration Rated Street Hydraulic Street Hydraulic CAMSHAFT TYPE .006" Valve Lift .006" Valve .006" Valve Lift .006" Valve Lift .006" Valve .006" Valve Lift .006" Valve Race Exh. Race Int. Exh. Int. OVERHEAD CAM LOBE # 8793 8792 8791 8781 8777 8771 8696 8767 8692 8699 8698 8786 8780 8778 8776 8770 8768 8766 8763 8761 8759 8757 8755 8762 8760 8758 8756 8754 DURATION RATED 328 324 320 314 310 306 301 294 326 326 322 318 310 307 303 303 296 292 268 262 256 250 244 264 258 252 246 240 ™ HYDRAULICROLLEROHC DURATION INDEGREES @ .050 284 280 276 268 264 261 255 249 283 283 279 275 267 264 260 259 255 247 224 218 212 206 200 222 216 210 204 198 @ .200 222 219 215 208 203 199 194 187 223 223 219 215 207 204 200 198 195 186 163 156 150 145 140 164 157 151 146 141 VALVE LIFT .355 .355 .355 .350 .330 .300 .325 .294 .370 .355 .355 .355 .350 .350 .350 .300 .325 .294 .268 .258 .248 .248 .248 .270 .260 .251 .251 .251 LOBE LIFT .600 .600 .600 .591 .565 .512 .550 .499 .625 .600 .600 .600 .591 .591 .591 .511 .550 .499 .453 .436 .419 .419 .419 .456 .440 .423 .423 .423 THEORETICAL VALVE LIFT@"0"LASH 1.685 .598 .598 .598 .590 .556 .506 .548 .495 .623 .598 .598 .598 .590 .590 .590 .506 .548 .495 .452 .435 .418 .418 .418 .455 .438 .423 .423 .423 ROCKER ARM RATIOROCKER ARM .604 .604 .604 .595 .561 .510 .553 .500 .629 .604 .604 .604 .595 .595 .595 .510 .553 .500 .456 .439 .422 .422 .422 .459 .442 .427 .427 .427 1.7 1.715 .609 .609 .609 .600 .566 .515 .557 .504 .635 .609 .609 .609 .600 .600 .600 .515 .557 .504 .460 .442 .425 .425 .425 .463 .446 .430 .430 .430 OVERHEAD CAM PIVOTING FOLLOWER Int. Int. Int. Int. Int. Exh. Exh. Exh. Exh. Exh. .460 .457 .457 .505 .505 .587 .580 .480 .573 .460 .430 .420 .410 .400 .419 .429 .440 .450 .484 VALVE LIFT VALVE LIFT VALVE INTAKE/EXHAUST .407 .391 .395 .395 .399 .411 .411 .411 .415 .434 VALVE LIFT VALVE .308 .305 .305 .328 .328 .405 .400 .344 .395 .330 .308 .301 .293 .285 .282 .288 .295 .301 .321 LOBE LIFT LOBE LIFT OVERHEAD CAM OVERHEAD .237 .229 .232 .232 .234 .239 .239 .239 .242 .255 LOBE LIFT 275 279 283 279 283 270 264 258 246 236 222 214 204 206 214 222 230 238 194 @ .050 @ .050 DURATION IN DEGREES DURATION IN DEGREES DURATION 204 204 212 212 220 210 212 212 220 210 @ .050 DURATION IN DEGREES DURATION 317 321 325 321 325 306 300 294 292 280 268 260 252 247 255 263 271 279 240 HYDRAULIC ROLLER OHC HYDRAULIC @ .010 @ .010 ™ RATED DURATION RATED DURATION RATED 251 250 258 258 266 257 259 259 266 256 RATED DURATION RATED 8262 8261 8260 8254 8253 8252 8251 8255 8250 LOBE # LOBE # 8735 8736 8738 8740 8742 8746 8737 8739 8741 8745 8234-8235 8236-8237 8240-8241 8242-8243 8232-8233 8216-8217 8218-8219 8202-8203 8204-8205 8206-8207 LOBE # INTAKE−EXHAUST Race Race Street Street .004" Valve .004" Valve Lift CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE Street Hydraulic Mitsubishi 4G63 Rated Duration @ TOYOTA 20R-22RE TOYOTA Valve durations and lift given for stock valve and rocker arm geometry. Toyota 20R-22RE applications. These profiles are designed for use in These profiles are designed for use in Nissan L16, 18, 20B applications. Valve durationsarm geometry. and lift given for stock valve and rocker 20B applications. 18, These profiles are designed for use in Nissan L16, NISSAN L16, 18, 20B 18, NISSAN L16, These profiles are designed for use in Mitsubishi 4G63 applications. Valve durations and lift given for stock valve, lifter and rocker arm geometry. lifter and Valve durations valve, and lift given for stock in Mitsubishi 4G63 are designed for use These profiles applications. MITSUBISHI 4G63 − XTREME ENERGY 4G63 − XTREME MITSUBISHI PIVOTING FOLLOWER

"LE" prefixfortheleftexhaustallbeforedesireIDnumberwhenordering individualcams. exhaust andfrombanktoisachieved. Usean"RI"prefix fortherightintake, an"RE"perfectfortherightexhaust,an an"LI"prefixfortheleftintakeand the camshaft backwards from the desired valve motion, from intake to along with better stability and improved motion symmetry more area under the curve intake andrightexhaust"B"pairs. This valvemotionisthen convertedbacktoalobecheckingfileformanufacturingandinspection. By"reverseengineering" The VM series Ford "at the valve" with optimized motion for the Right Intake and Left Exhaust427 "A"SOHC pairsprofiles and are also designed the first left VM OHCROLLERSFORFORD427SOHC OVERHEAD CAM SOH OHCROLLERSFORFORD427SOHC Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated Rated Duration @ Duration Rated 427 SOHCLobes 427 SOHCLobes .015" TappetLift .015" TappetLift Std. Lift−Street Std. Lift−Street High Lift−Race High Lift−Race CAMSHAFT TYPE CAMSHAFT TYPE Ford 427SOHC Ford 427SOHC .020" Valve Lift .020" Valve .020" Valve Lift .020" Valve OVERHEAD CAM LOBE # 8568 8566 8564 8560 8598 8596 8594 8592 8590 LOBE # 8444 8442 8436 8440 8434 8432 8430 DURATION RATED DURATION 304 296 288 288 316 308 300 292 284 RATED 326 318 302 310 294 286 278 @ .050 280 272 264 264 293 285 277 269 261 DURATION IN DURATION INDEGREES @ .050 DEGREES 292 284 268 276 260 252 244 @ .200 224 216 208 207 238 230 222 214 206 @ .200 226 218 200 211 193 185 178 VALVE .604 .598 .592 .543 .720 .714 .708 .702 .696 LIFT LOBE LIFT .546 .542 .482 .538 .476 .470 .464 VALVE LIFT@ TDC .240 .214 .188 .184 .300 .270 .240 .210 .180 106° .234 .216 .170 .196 .150 .130 .111 106° .214 .188 .162 .160 .270 .240 .210 .180 .150 110° TAPPET LIFT @ TDC CHECK DURATION .213 .194 .150 .174 .130 .111 .092 110° TAPPET @ .050 268 260 252 252 281 273 265 257 249 THEORETICAL VALVE LIFT@"0"LASH 1.685 .683 .678 .603 .673 .595 .588 .580 CHECK LIFT ROCKER ARM RATIOROCKER ARM TAPPET .482 .477 .472 .431 .579 .574 .569 .564 .559 .696 .691 .615 .686 .607 .599 .592 1.7 LIFT W/ FIXED LIFT W/ RATIO .612 .606 .599 .547 .735 .729 .723 .716 .710 1.27 1.715 .710 .705 .627 .699 .619 .611 .603 OVERHEAD CAM DIRECT ACTING .640 .550 .650 .680 .620 .550 .650 .660 .600 .500 .650 .640 .580 .500 .620 .560 .500 .600 .540 .600 .650 .520 .630 .500 .500 .480 .610 .500 MINIMUM BCR MINIMUM BCR MINIMUM BCR MINIMUM BCR .900 .980 1.000 1.080 1.100 1.180 1.000 1.020 1.100 1.180 1.000 1.100 1.180 1.000 1.000 1.180 1.000 1.180 1.000 1.180 1.180 1.000 1.180 1.000 1.025 1.000 1.180 1.025 MINIMUM MINIMUM MINIMUM MINIMUM TAPPET O.D. TAPPET O.D. TAPPET TAPPET O.D. TAPPET O.D. TAPPET .260 .365 .410 .400 .280 .360 .420 .400 .300 .320 .430 .400 .320 .360 .400 .340 .360 .400 .360 .400 .380 .380 .380 .400 .320 .420 .380 .360 OVERHEAD CAM OVERHEAD LOBE LIFT LOBE LIFT LOBE LIFT LOBE LIFT 95 146 160 149 109 150 166 153 122 144 172 158 134 158 163 145 162 168 153 173 153 162 160 169 150 179 166 163 @ .200" @ .200" @ .200" @ .200" DURATION IN DEGREES DURATION IN DEGREES DURATION DURATION IN DEGREES DURATION IN DEGREES DURATION 180 215 226 214 190 222 232 218 200 228 238 224 210 230 230 220 238 236 230 242 220 240 228 250 235 260 236 239 @ .050" @ .050" @ .050" @ .050" 216 248 260 258 226 256 266 262 236 274 272 268 246 264 274 256 273 280 266 286 264 276 272 286 280 296 280 284 @ .010" @ .010" @ .010" @ .006" RATED DURATION RATED DURATION RATED RATED DURATION RATED DURATION RATED 6800 9048 9013 9090 6801 9042 9014 9091 6802 9045 9015 9092 6803 9044 9093 6804 9046 9086 6805 9087 9094 6806 9095 6807 9109 6808 9096 9108 LOBE # LOBE # LOBE # LOBE # OHZ OHZ OHC Quad 4 .400 Lift 1" Tappet VW or Direct .320-.380 Lift CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE CAMSHAFT TYPE Direct − Bucket Direct − Bucket Direct − Bucket Direct − Bucket Direct − Bucket OHZ − STREET/STRIP BUCKET QUAD 4 − BUCKET OHC − MULTIPURPOSE BUCKET OHC − MULTIPURPOSE VW OR DIRECT 1" TAPPET DIRECT 1" VW OR OVERHEAD CAM

OHRX − HIGH RPM BUCKET

RATED DURATION DURATION IN DEGREES CAMSHAFT TYPE LOBE # LOBE LIFT MINIMUM MINIMUM BCR @ .006" @ .050" @ .200" TAPPET O.D. 9072 294 260 199 .480 1.200 .530 9073 300 266 204 .490 1.200 .530 9074 306 272 210 .500 1.200 .530 9102 279 245 186 .510 1.325 .650

DIRECT ACTING OHRX Int. 9103 285 251 192 .510 1.325 .650 Direct − Bucket 9104 283 249 192 .550 1.458 .690 9105 289 255 198 .550 1.458 .690 9122 294 260 198 .500 1.200 .580 9124 306 272 210 .530 1.200 .580

OHRX Exh. 9141 336 274 208 .490 1.200 .530

OHRXV − HIGH LIFT OVERHEAD CAM RATED DURATION DURATION IN DEGREES CAMSHAFT TYPE LOBE # LOBE LIFT MINIMUM MINIMUM BCR @ .006" @ .050" @ .200" TAPPET O.D. 9116 306 273 212 .553 1.200 .530 OHRXV 9117 310 277 216 .560 1.200 .530 Direct − Bucket 9118 314 281 220 .565 1.200 .530

XCOH − EXHAUST HIGH LIFT

RATED DURATION DURATION IN DEGREES CAMSHAFT TYPE LOBE # LOBE LIFT MINIMUM MINIMUM BCR @ .006" @ .050" @ .200" TAPPET O.D. 9132 317 270 205 .495 1.200 .530 XCOH 9133 321 274 209 .500 1.200 .530 Direct − Bucket 9134 325 278 213 .505 1.200 .530 9135 329 282 217 .510 1.200 .530

OHRXA − STREET INTAKE

RATED DURATION DURATION IN DEGREES CAMSHAFT TYPE LOBE # LOBE LIFT MINIMUM MINIMUM BCR @ .006" @ .050" @ .200" TAPPET O.D. 9126 285 251 187 .475 1.180 .530 OHRXA Int. 9127 291 257 194 .490 1.180 .530 Direct − Bucket 9128 297 263 200 .505 1.180 .530

OHRXA − STREET EXHAUST

RATED DURATION DURATION IN DEGREES CAMSHAFT TYPE LOBE # LOBE LIFT MINIMUM MINIMUM BCR @ .006" @ .050" @ .200" TAPPET O.D. 9146 295 246 180 .440 1.150 .500 OHRXA Exh. 9147 301 252 186 .452 1.150 .500 Direct − Bucket 9148 307 258 193 .464 1.150 .500 OVERHEAD CAM OVERHEAD CAM PCI INTAKE − LIMITED RPM OHC 33MM BUCKET Fast Intake OHC Lift Rule & RPM Limited − 33mm Bucket, 0.738" BCR. Can be used with Hydraulic Bucket and zero lash or with Solid Bucket and .005" to .010" lash.

RATED DURATION IN DEGREES TAPPET LIFT @ TDC CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .006 @ .010 @ .020 @ .050 @ .200 106° 110° 114° PCI 33 Int. 19701 293 282 267 248 192 .498 .144 .122 .100 Rated Duration @ 19702 297 286 271 252 196 .498 .155 .133 .111 .006" Tappet Lift 19703 301 290 275 256 200 .498 .166 .144 .122 DIRECT ACTING

PCX EXHAUST − LIMITED RPM OHC 33MM BUCKET Exhaust OHC Lift Rule & RPM Limited − 33mm Bucket, 0.738" BCR. Can be used with Hydraulic Bucket and zero lash or with Solid Bucket and .005" to .010" lash.

RATED DURATION IN DEGREES TAPPET LIFT @ TDC CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .006 @ .010 @ .020 @ .050 @ .200 106° 110° 114° 19704 290 280 264 242 185 .498 .126 .104 .083 PCX 33 Exh. 19705 294 284 268 246 189 .498 .137 .115 .093 Rated Duration @ 19706 298 288 272 250 193 .498 .148 .126 .104 .006" Tappet Lift 19707 302 292 276 254 197 .498 .159 .137 .115 19708 306 296 280 258 201 .498 .170 .148 .126

PDI INTAKE − LIMITED RPM OHC 33MM BUCKET Fast Intake OHC Lift Rule & RPM Limited − 31.5mm Bucket, 0.748" BCR. Can be used with Hydraulic Bucket and zero lash or with Solid Bucket and .005" to .010" lash.

RATED DURA- DURATION IN DEGREES TAPPET LIFT @ TDC CAMSHAFT TYPE LOBE # TION LOBE LIFT @ .006 @ .010 @ .020 @ .050 @ .200 106° 110° PDI 31.5 Int. 19712 284 274 261 243 186 .497 .129 .108 Rated Duration @ 19713 288 278 265 247 190 .497 .140 .118 .006" Tappet Lift 19714 292 282 269 251 194 .497 .150 .129

PDX EXHAUST − LIMITED RPM OHC 31.5MM BUCKET Exhaust OHC Lift Rule & RPM Limited − 31.5mm Bucket, 0.748" BCR. Can be used with Hydraulic Bucket and zero lash or with Solid Bucket and .005" to .010" lash.

RATED DURA- DURATION IN DEGREES TAPPET LIFT @ TDC CAMSHAFT TYPE LOBE # TION LOBE LIFT @ .006 @ .010 @ .020 @ .050 @ .200 106° 110° PDX 31.5 Exh. 19717 293 279 263 244 187 .496 .132 .110 Rated Duration @ 19718 297 283 267 248 191 .496 .142 .121 .006" Tappet Lift 19719 301 287 271 252 195 .496 .153 .132 OVERHEAD CAM

OVH INTAKE 38 TO 40MM BUCKET These are based on the OHRX Series and maximized for .500" + BCR and 38mm or larger buckets.

RATED DURATION IN DEGREES TAPPET LIFT @ TDC CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 114° OVH 38+ Int. 9418 296 276 223 .645 .238 .212 .187 Rated Duration @ 9419 300 280 227 .660 .251 .225 .200 DIRECT ACTING .020" Tappet Lift 9420 304 284 231 .675 .264 .238 .212

XCO EXHAUST 35-40MM BUCKET These are based on an exhaust series that is similar to the OVH intakes but with softer ramps. Will work with 35mm or larger buckets.

RATED DURATION IN DEGREES TAPPET LIFT @ TDC CAMSHAFT TYPE LOBE # DURATION LOBE LIFT

OVERHEAD CAM @ .050 @ .200 106° 110° 114° 19425 290 262 201 .550 .169 .146 .124 XCO 35+ Exh. 9423 304 276 216 .600 .211 .188 .164 Rated Duration @ .020" Tappet Lift 9424 308 280 220 .610 .223 .200 .176 9425 312 284 224 .620 .236 .212 .188

XCO INTAKE 38-40MM BUCKET These lobes are similar to the XCO 35 Series but optimized for 38mm or larger buckets and have more lift.

RATED DURATION IN DEGREES TAPPET LIFT @ TDC CAMSHAFT TYPE LOBE # DURATION LOBE LIFT @ .050 @ .200 106° 110° 114° XCO 38+ Int. 9444 310 282 224 .640 .238 .212 .187 Rated Duration @ 9445 314 286 228 .650 .251 .225 .200 .020" Tappet Lift 9446 318 290 232 .660 .264 .238 .212

THUMPR™ FLATHEAD FORD − DIRECT SOLID 1" TAPPET (CCW ROTATION)

RATED DURATION DURATION IN DEGREES MINIMUM CAMSHAFT TYPE LOBE # LOBE LIFT TAPPET O.D. MINIMUM BCR @ .050 @ .200 Intake 19520 267 227 160 .354 1.000 .540 1" Tappet 19522 275 235 169 .368 1.000 .526 Direct 19524 283 243 177 .382 1.000 .512

Exhaust 19531 299 241 151 .350 1.000 .544 1" Tappet 19533 307 249 160 .364 1.000 .530 Direct 19535 315 257 168 .378 1.000 .516 Can also be used in VW applications. OVERHEAD CAM OVERHEAD CAM FC SOLIDS The FC Solid designs can be used in many smaller solid lifter applications including OHV, flathead direct and OHC direct applications. Requires a minimum .780" tappet face diameter.

RATED DURATION IN DEGREES TAPPET LIFT @ TDC THEORETICAL VALVE LIFT @ "0" LASH CAMSHAFT TYPE LOBE # DURATION LOBE LIFT ROCKER ARM RATIO @ .050 @ .200 106° 110° 1.5 1.6 1.7 6703 FC244-1 212 102 .250 .050 .040 .375 .400 .425 6704 FC248-1 216 110 .260 .056 .045 .390 .416 .442

6705 FC252-1 220 118 .270 .061 .050 .405 .432 .459 DIRECT ACTING 6706 FC258-1 225 122 .280 .067 .056 .420 .448 .476 6707 FC262-1 229 127 .285 .073 .062 .428 .456 .485 6708 FC266-1 232 130 .290 .079 .067 .435 .464 .493 6709 FC270-1 236 135 .300 .084 .073 .450 .480 .510 6710 FC274-1 240 139 .300 .091 .079 .450 .480 .510 FC Rated Duration @ 6711 FC278-1 244 143 .310 .097 .085 .465 .496 .527 .020" Tappet Lift 6712 FC282-1 248 146 .310 .102 .090 .465 .496 .527 .780" Min. Dia. 6713 FC286-1 252 152 .320 .112 .099 .480 .512 .544 .012" Lash 6714 FC290-1 256 154 .320 .116 .103 .480 .512 .544 6715 FC294-1 260 160 .330 .124 .112 .495 .528 .561 6716 FC298-1 264 165 .330 .131 .118 .495 .528 .561 6717 FC302-1 268 169 .340 .136 .123 .510 .544 .578 6718 FC306-1 272 173 .340 .144 .131 .510 .544 .578 6730 FC314-1 280 163 .300 .142 .131 .450 .480 .510 6720 FC314-2 280 180 .350 .157 .144 .525 .560 .595 6724 FC324-2 290 188 .350 .171 .159 .525 .560 .595 LOBE INDEX LOBE # 1375 1374 1373 1372 1320 1309 1306 1302 1301 1295 1293 1291 1289 1288 1287 1286 1285 1278 1273 1272 1271 1269 1268 1263 1261 1260 1245 1240 1239 1227 1189 1188 1187 1186 1185 1183 1181 1180 1176 1152 1112 1111 1110 1108 1046 1030 1028 1027 PAGE # LOBE INDEX 109 109 109 109 104 101 104 101 101 100 104 104 104 100 104 100 104 100 104 100 100 104 100 104 104 100 106 101 106 106 107 101 107 101 107 107 107 101 101 104 106 106 106 106 101 101 101 101 LOBE # 1498 1496 1495 1494 1491 1490 1489 1487 1486 1485 1484 1481 1480 1479 1477 1476 1474 1473 1469 1466 1465 1464 1462 1461 1460 1429 1427 1419 1418 1417 1416 1403 1402 1400 1399 1398 1395 1394 1393 1392 1388 1386 1385 1384 1383 1382 1377 1376 PAGE # 104 104 133 101 104 104 104 104 109 109 109 109 109 109 109 109 109 109 109 109 109 66 66 68 83 71 68 83 66 66 68 68 68 68 68 68 69 68 88 88 88 88 88 88 71 68 71 68 LOBE # 1650 1649 1642 1639 1635 1634 1630 1628 1625 1620 1619 1617 1613 1612 1611 1609 1585 1582 1581 1580 1579 1578 1577 1572 1571 1570 1569 1568 1565 1564 1563 1562 1542 1540 1538 1536 1534 1532 1530 1528 1524 1523 1522 1521 1520 1519 1515 1514 PAGE # 133 133 133 133 133 133 108 108 108 108 108 108 108 112 122 112 122 112 122 122 122 122 68 68 68 68 68 68 68 68 68 68 90 90 90 90 90 90 90 90 91 91 91 91 91 91 82 82 LOBE # 1763 1761 1760 1759 1758 1753 1752 1751 1749 1748 1747 1746 1745 1744 1743 1742 1739 1737 1736 1735 1734 1730 1729 1728 1727 1726 1724 1723 1722 1719 1718 1699 1695 1688 1687 1686 1685 1684 1683 1682 1681 1680 1677 1662 1661 1660 1659 1658 PAGE # 105 105 105 105 105 105 105 105 103 103 103 103 103 103 103 103 103 103 103 121 121 103 103 103 103 103 103 121 103 102 102 106 121 106 106 106 106 106 106 106 106 106 133 133 68 71 68 68 LOBE # 1848 1847 1846 1845 1844 1843 1842 1841 1840 1839 1837 1836 1835 1834 1833 1832 1831 1829 1828 1827 1826 1825 1823 1820 1819 1817 1816 1815 1814 1813 1812 1811 1810 1809 1808 1807 1806 1794 1792 1790 1789 1785 1777 1775 1773 1772 1771 1770 PAGE # 122 122 102 102 102 102 102 102 102 102 122 122 122 122 122 102 102 102 102 102 102 122 122 102 102 102 102 102 102 102 102 102 102 102 102 102 102 122 122 122 122 105 105 122 105 105 102 102 LOBE INDEX 73 73 73 73 92 92 76 76 76 76 76 76 82 82 82 82 82 82 82 82 92 92 92 92 92 92 112 128 128 128 113 111 111 111 111 111 111 113 113 113 112 112 112 112 112 112 112 112 PAGE # PAGE 2314 2380 2384 2385 2387 2390 2391 2392 2393 2399 2419 2420 2430 2486 2299 2315 2318 2369 2381 2383 2488 2489 2490 2492 2494 2507 2508 2509 2510 2511 2512 2513 2514 2291 2292 2293 2294 2295 2296 2297 2298 2276 2277 2278 2279 2280 2281 2290 LOBE # 84 84 84 92 92 84 84 84 84 84 84 84 84 84 84 84 84 84 84 84 84 92 92 92 92 92 92 92 92 92 92 93 93 93 93 93 93 93 93 93 93 93 93 92 92 92 92 92 LOBE INDEX LOBE PAGE # PAGE 2208 2209 2210 2214 2215 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2265 2267 2273 2274 2275 LOBE # 34 34 34 34 34 34 34 34 34 34 34 34 34 92 92 92 92 93 93 93 123 131 131 131 131 131 131 112 132 132 132 132 132 132 132 132 132 132 132 132 132 132 132 132 132 132 112 112 PAGE # PAGE 2082 2083 2084 2085 2086 2094 2095 2096 2097 2098 2099 2114 2115 2116 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2138 2139 2140 2162 2163 2164 2165 2166 2167 2169 2171 2182 2184 2195 2196 2198 2199 2201 2202 2203 2079 LOBE # 105 105 105 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 121 121 121 121 121 112 112 112 112 112 112 112 131 131 131 131 131 106 123 112 112 131 131 131 131 131 131 131 131 123 PAGE # PAGE 1966 1968 1970 1975 1976 1977 1978 1979 1980 1982 1986 1987 1988 1989 1990 1991 1992 1993 1995 1996 1997 1998 1999 2037 2039 2041 2042 2043 2044 2045 2047 2048 2049 2050 2051 2054 2055 2057 2058 2067 2068 2069 2073 2074 2075 2076 2077 2078 LOBE # 122 105 122 122 105 105 105 105 105 105 105 105 105 105 105 105 105 105 105 105 105 106 106 106 105 108 108 108 108 108 108 108 108 108 108 108 108 108 108 108 108 108 110 110 110 105 105 105 PAGE # PAGE 1849 1850 1858 1859 1860 1861 1862 1864 1866 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1884 1886 1893 1901 1903 1912 1914 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1936 1937 1939 1943 1945 1960 1962 1964 LOBE # CAM SPECS

LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # 2515 82 2683 93 3009 23 3111 18 3307 22 2516 82 2688 88 3010 23 3112 18 3308 22 INDEX 2517 82 2689 88 3011 23 3113 18 3309 22 2518 82 2690 88 3012 23 3114 18 3310 21 2519 82 2691 88 3013 23 3115 18 3311 21

LOBE 2520 82 2692 88 3014 23 3116 18 3312 21 2521 97 2693 88 3015 23 3117 18 3313 21 2522 97 2694 88 3016 23 3118 18 3314 21 2523 97 2724 121 3017 23 3119 18 3315 21 2524 97 2725 121 3018 23 3120 18 3316 21 2525 97 2726 121 3019 23 3122 18 3317 21 2526 97 2727 121 3020 23 3150 18 3318 21 2527 97 2728 121 3021 23 3151 18 3319 21 2528 97 2730 93 3022 20 3152 18 3322 21 2529 97 2731 93 3024 20 3160 18 3323 21 2531 97 2735 73 3026 20 3161 18 3324 22 2535 86 2881 80 3028 20 3162 18 3326 22 2536 86 2882 80 3030 23 3163 18 3329 39 2537 86 2885 80 3031 20 3164 18 3330 39 2538 86 2906 88 3033 23 3168 18 3331 39 2539 86 2907 88 3034 23 3170 18 3332 39 2540 86 2908 88 3035 24 3171 18 3333 39 2541 86 2909 88 3036 24 3188 21 3334 39 2542 86 2950 79 3037 24 3190 21 3335 38 2543 86 2952 79 3038 24 3192 21 3336 38 2544 86 2953 79 3039 24 3194 21 3337 38 2545 97 2954 79 3040 24 3196 21 3338 38 2551 97 2958 79 3041 24 3207 70 3339 38 2555 97 2962 80 3043 20 3282 38 3340 21 2557 97 2963 80 3045 20 3283 38 3341 21 2559 97 2964 80 3047 20 3284 38 3342 21 2560 97 2965 80 3050 18 3285 38 3343 21 2570 93 2978 79 3051 18 3286 39 3344 21 2571 93 2979 79 3052 18 3287 39 3345 21 2577 123 2980 79 3053 18 3288 39 3346 21 2578 123 2981 79 3056 20 3289 39 3347 22 2579 123 2982 79 3058 20 3295 38 3348 22 2580 123 2983 79 3100 18 3296 39 3349 22 2581 123 2984 79 3101 18 3297 38 3354 27 2582 93 2985 79 3102 18 3298 38 3355 27 2583 93 2989 79 3103 18 3299 38 3356 27 2586 113 3002 23 3104 18 3300 21 3657 30 2587 113 3003 23 3105 18 3301 21 3658 30 2588 113 3004 23 3106 18 3302 21 3659 29 2589 113 3005 23 3107 18 3303 22 3660 30 2590 93 3006 23 3108 18 3304 21 3661 30 2591 93 3007 23 3109 18 3305 21 3662 30 2682 93 3008 23 3110 18 3306 22 3663 30 COMPONENTS LOBE LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # 3666 30 3756 29 4034 68 4132 75 4216 83 3667 30 3757 29 4035 68 4133 75 4217 83 3668 30 3766 29 4045 69 4134 75 4220 66 INDEX 3669 30 3767 29 4046 69 4135 75 4221 66 3670 30 3809 43 4047 69 4136 75 4240 83 3671 30 3810 43 4049 69 4137 75 4241 83 3672 30 3816 43 4050 104 4138 75 4242 68 3673 30 3817 43 4051 104 4139 75 4243 83 3674 30 3818 43 4052 104 4143 72 4244 68 3675 30 3819 43 4053 104 4144 72 4245 83 3676 30 3822 43 4055 104 4145 72 4247 104 3705 30 3823 43 4056 104 4146 72 4248 133 3706 30 3824 43 4057 104 4147 72 4252 83 3707 29 3825 43 4058 69 4148 72 4253 83 3708 29 3826 43 4059 68 4149 72 4254 83 3709 29 3827 43 4062 68 4150 72 4260 73 3710 29 3832 43 4063 101 4151 72 4261 73 3711 29 3833 43 4064 104 4152 72 4262 73 3712 29 3834 43 4065 71 4153 72 4264 73 3713 29 3835 43 4066 68 4160 72 4265 73 3714 29 4000 68 4067 104 4162 72 4266 73 3715 29 4001 70 4068 101 4163 72 4267 73 3716 29 4002 66 4070 71 4164 72 4268 73 3717 29 4003 69 4074 104 4165 72 4269 73 3718 29 4004 70 4075 71 4166 72 4270 73 3719 29 4005 69 4076 70 4167 72 4271 73 3720 30 4006 70 4077 70 4168 72 4272 73 3721 30 4007 69 4078 70 4176 81 4273 73 3722 30 4008 70 4079 70 4178 81 4274 73 3723 30 4009 70 4080 70 4180 81 4276 73 3724 30 4013 70 4081 70 4181 81 4277 73 3725 31 4015 70 4082 70 4182 81 4278 73 3726 31 4016 70 4083 133 4183 81 4279 73 3727 31 4017 70 4085 101 4184 81 4283 73 3728 31 4018 70 4087 68 4185 81 4284 73 3729 31 4019 69 4091 101 4186 81 4285 73 3730 31 4020 70 4107 101 4196 81 4286 73 3731 31 4022 70 4118 101 4198 81 4287 73 3732 31 4023 69 4119 70 4199 81 4293 73 3733 31 4024 70 4121 75 4205 83 4294 73 3734 31 4025 68 4123 75 4206 83 4295 73 3735 29 4026 70 4124 75 4207 83 4296 73 3750 29 4027 69 4126 75 4208 83 4301 77 3751 29 4028 70 4127 75 4209 83 4302 77 3752 29 4029 69 4128 75 4210 69 4303 77 3753 29 4030 70 4129 75 4211 69 4304 77 3754 29 4031 70 4130 75 4213 83 4305 77 3755 29 4032 70 4131 75 4214 83 4308 77 CAM SPECS

LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # 4309 77 4389 76 4615 87 4841 80 5035 13 4310 77 4390 76 4616 87 4842 80 5038 12 INDEX 4311 77 4391 76 4617 87 4850 66 5039 12 4312 77 4402 79 4618 87 4851 66 5040 12 4313 77 4404 79 4619 87 4852 66 5042 12

LOBE 4314 77 4405 79 4620 87 4853 66 5044 12 4315 77 4406 79 4621 87 4854 66 5055 13 4316 77 4407 79 4622 87 4855 66 5057 13 4317 77 4408 79 4623 87 4856 66 5059 13 4318 77 4409 79 4624 87 4857 66 5066 13 4319 77 4416 79 4625 87 4858 66 5067 13 4321 79 4418 79 4627 87 4859 66 5068 13 4327 79 4421 88 4628 87 4860 66 5069 13 4328 79 4422 88 4639 87 4861 66 5070 13 4329 79 4423 88 4640 87 4870 66 5071 13 4340 77 4424 88 4641 87 4871 66 5082 15 4341 77 4427 77 4642 87 4872 66 5083 15 4345 76 4428 77 4643 87 4873 66 5084 15 4346 76 4429 77 4682 76 4874 66 5085 15 4347 76 4430 77 4683 76 4875 66 5086 15 4348 76 4431 77 4684 76 4876 66 5087 15 4349 76 4432 77 4685 76 4877 66 5088 15 4358 81 4433 77 4686 76 4878 66 5089 15 4359 81 4436 77 4687 76 4879 66 5090 15 4361 81 4438 77 4784 82 4884 67 5101 15 4362 81 4445 77 4785 82 4886 67 5103 15 4363 81 4447 77 4788 82 4888 67 5105 15 4364 81 4449 77 4789 82 4894 67 5107 15 4365 81 4451 77 4793 82 4896 67 5109 15 4366 81 4480 71 4814 78 4898 67 5127 12 4367 81 4482 71 4815 78 4904 67 5128 12 4368 81 4483 71 4816 78 4908 67 5128 12 4370 81 4484 71 4817 78 4910 67 5129 12 4371 81 4485 71 4818 78 4911 67 5130 12 4372 81 4486 71 4819 78 4912 67 5135 12 4373 81 4572 87 4820 78 4913 67 5146 12 4374 81 4573 87 4821 78 4915 67 5163 12 4375 81 4574 87 4822 78 4916 67 5166 12 4376 81 4575 87 4823 78 4917 67 5190 44 4377 81 4576 87 4824 78 4918 67 5195 13 4378 81 4600 83 4826 78 5000 12 5196 13 4382 76 4601 83 4827 78 5002 12 5197 13 4383 76 4609 87 4830 82 5006 12 5198 13 4384 76 4610 87 4831 82 5020 12 5199 13 4385 76 4611 87 4837 80 5022 12 5200 11 4386 76 4612 87 4838 80 5024 12 5201 11 4387 76 4613 87 4839 80 5031 13 5201 14 4388 76 4614 87 4840 80 5033 13 5202 11 COMPONENTS LOBE LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # 5202 14 5414 14 5645 50 5718 50 5986 16 5203 11 5418 14 5646 51 5719 50 6000 45 5203 14 5419 14 5647 51 5720 50 6001 45 INDEX 5204 11 5430 14 5649 51 5738 52 6002 44 5205 11 5431 14 5650 51 5744 50 6003 44 5205 14 5432 14 5651 51 5746 50 6004 45 5206 11 5433 14 5652 51 5777 51 6005 45 5207 11 5435 14 5653 51 5778 51 6006 45 5207 14 5437 14 5654 51 5779 51 6007 44 5208 11 5438 14 5655 51 5783 52 6009 45 5208 14 5439 14 5656 51 5784 52 6010 45 5209 11 5440 14 5657 51 5800 51 6011 45 5209 14 5441 14 5658 51 5801 51 6012 45 5210 11 5442 14 5659 51 5802 51 6013 45 5210 14 5443 14 5660 51 5813 52 6014 45 5211 11 5444 14 5661 51 5814 52 6015 45 5212 11 5445 14 5662 51 5820 13 6016 45 5212 14 5446 14 5663 51 5822 13 6017 44 5213 11 5447 14 5664 51 5824 13 6018 45 5214 11 5448 14 5665 51 5831 13 6019 45 5214 14 5449 14 5666 51 5833 13 6027 45 5215 11 5517 50 5667 51 5835 13 6028 45 5216 11 5518 50 5668 51 5840 17 6029 45 5216 14 5519 50 5669 51 5840 53 6030 46 5217 11 5520 12 5670 51 5846 17 6031 46 5221 13 5522 12 5676 52 5846 53 6032 46 5222 11 5524 12 5677 52 5852 16 6033 46 5223 11 5531 13 5678 51 5854 17 6034 46 5224 11 5533 13 5679 51 5854 53 6035 46 5225 11 5535 13 5680 51 5862 17 6036 46 5226 11 5537 51 5681 52 5862 53 6038 44 5229 11 5538 17 5682 52 5892 51 6052 44 5230 14 5538 53 5683 52 5893 52 6053 44 5231 14 5540 17 5684 52 5900 16 6054 44 5232 11 5540 53 5685 52 5901 16 6055 44 5232 14 5544 17 5686 52 5902 16 6056 44 5233 14 5544 53 5687 51 5903 16 6057 44 5234 14 5546 17 5692 51 5904 16 6059 44 5238 14 5546 53 5694 51 5960 16 6061 44 5239 11 5547 50 5695 50 5961 16 6068 44 5240 11 5548 51 5696 50 5962 16 6069 44 5241 11 5549 51 5697 51 5964 16 6070 44 5310 12 5550 50 5698 51 5965 16 6071 44 5311 12 5551 51 5704 50 5966 16 6083 44 5312 12 5553 50 5708 50 5980 16 6084 44 5315 12 5556 50 5713 52 5981 16 6089 44 5326 12 5643 50 5714 52 5984 16 6091 44 5327 12 5644 51 5715 52 5985 16 6114 44 CAM SPECS

LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # 6129 64 6219 50 6276 47 6575 17 6780 55 6130 64 6222 50 6277 47 6576 17 6782 55 INDEX 6131 64 6224 53 6278 52 6577 17 6784 55 6132 64 6225 53 6280 54 6578 17 6786 55 6133 64 6226 53 6281 54 6579 65 6788 55

LOBE 6134 64 6227 53 6282 54 6580 65 6800 145 6157 48 6228 53 6283 54 6581 65 6801 145 6158 48 6229 53 6284 54 6582 65 6802 145 6159 48 6230 53 6285 54 6583 65 6803 145 6160 48 6231 52 6286 54 6584 65 6804 145 6161 48 6232 52 6289 54 6585 65 6805 145 6162 48 6234 52 6294 53 6586 65 6806 145 6163 48 6235 52 6301 46 6587 65 6807 145 6164 48 6236 52 6302 46 6588 65 6808 145 6165 48 6237 52 6303 46 6589 65 6882 15 6166 48 6238 52 6304 46 6590 65 6883 15 6167 48 6239 52 6305 46 6591 65 6884 15 6168 48 6240 52 6306 46 6592 17 6885 15 6169 48 6241 52 6307 46 6593 17 6886 15 6170 48 6242 52 6308 46 6594 17 6887 15 6172 48 6243 52 6310 46 6595 17 7015 57 6173 48 6244 52 6312 46 6596 17 7016 57 6174 52 6245 53 6313 46 6610 64 7020 60 6184 48 6246 52 6314 46 6611 64 7021 60 6185 48 6247 53 6330 47 6612 64 7022 60 6186 48 6249 52 6331 47 6622 16 7023 60 6187 48 6250 54 6332 47 6624 16 7028 60 6188 48 6251 54 6333 47 6626 16 7037 60 6192 52 6252 54 6334 47 6628 16 7038 60 6193 52 6253 54 6335 47 6703 149 7039 60 6194 52 6254 54 6336 47 6704 149 7040 60 6195 52 6255 54 6400 48 6705 149 7041 60 6196 52 6256 54 6402 48 6706 149 7042 60 6197 52 6257 52 6404 48 6707 149 7043 60 6198 52 6258 47 6406 48 6708 149 7044 60 6199 52 6259 47 6408 48 6709 149 7049 60 6200 52 6260 47 6410 48 6710 149 7068 58 6208 50 6261 47 6412 48 6711 149 7069 58 6209 50 6262 47 6414 48 6712 149 7071 58 6210 50 6263 47 6416 48 6713 149 7072 58 6211 50 6264 47 6418 48 6714 149 7073 58 6212 50 6265 47 6420 48 6715 149 7074 58 6213 50 6266 47 6440 45 6716 149 7075 58 6214 50 6267 47 6442 45 6717 149 7077 58 6215 50 6268 47 6444 45 6718 149 7078 58 6216 50 6269 47 6455 45 6720 149 7084 60 6217 50 6270 47 6457 45 6724 149 7085 60 6218 50 6275 47 6459 45 6730 149 7086 60 COMPONENTS LOBE LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # 7087 60 7204 62 7413 55 8414 141 8761 142 7110 58 7205 62 7414 55 8420 141 8762 142 7113 58 7206 62 7415 55 8421 141 8763 142 INDEX 7114 58 7207 62 7416 55 8422 141 8766 142 7115 58 7208 62 7665 61 8423 141 8767 142 7116 58 7250 56 7666 61 8424 141 8768 142 7117 58 7260 56 7667 61 8430 144 8770 142 7118 58 7261 56 7668 61 8432 144 8771 142 7120 60 7262 56 7669 61 8434 144 8776 142 7121 60 7263 56 7670 61 8436 144 8777 142 7122 60 7265 56 7671 61 8440 144 8778 142 7123 60 7266 56 8006 139 8442 144 8780 142 7124 60 7267 56 8007 139 8444 144 8781 142 7125 58 7353 59 8008 139 8552 141 8786 142 7127 58 7354 59 8022 139 8553 141 8791 142 7130 56 7355 59 8023 139 8554 141 8792 142 7131 56 7356 59 8024 139 8555 141 8793 142 7132 56 7357 59 8025 139 8556 141 9013 145 7133 56 7358 59 8026 139 8560 144 9014 145 7134 56 7359 59 8064 140 8564 144 9015 145 7135 58 7362 59 8066 140 8566 144 9042 145 7136 58 7363 59 8090 140 8568 144 9044 145 7158 56 7364 59 8096 140 8590 144 9045 145 7159 56 7365 59 8098 140 8592 144 9046 145 7160 56 7366 59 8250 143 8594 144 9048 145 7161 56 7367 59 8251 143 8596 144 9072 146 7162 56 7368 59 8252 143 8598 144 9073 146 7163 56 7380 59 8253 143 8692 142 9074 146 7164 56 7381 59 8254 143 8696 142 9086 145 7165 56 7382 59 8255 143 8698 142 9087 145 7166 56 7383 59 8260 143 8699 142 9090 145 7168 56 7384 59 8261 143 8735 143 9091 145 7169 56 7385 59 8262 143 8736 143 9092 145 7170 56 7386 59 8304 140 8737 143 9093 145 7171 56 7387 59 8306 140 8738 143 9094 145 7172 56 7388 59 8312 140 8739 143 9095 145 7174 56 7389 59 8314 140 8740 143 9096 145 7185 57 7394 55 8316 140 8741 143 9102 146 7186 57 7395 55 8325 140 8742 143 9103 146 7187 57 7396 59 8327 140 8745 143 9104 146 7188 57 7399 59 8360 140 8746 143 9105 146 7189 57 7404 55 8362 140 8754 142 9108 145 7190 57 7405 55 8364 140 8755 142 9109 145 7191 57 7406 55 8366 140 8756 142 9116 146 7192 57 7408 55 8410 141 8757 142 9117 146 7193 57 7409 55 8411 141 8758 142 9118 146 7194 57 7411 55 8412 141 8759 142 9122 146 7203 62 7412 55 8413 141 8760 142 9124 146 CAM SPECS

LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # 9126 146 9260 134 9363 61 9714 62 11130 109 9127 146 9266 134 9364 61 9771 62 11132 109 INDEX 9128 146 9267 134 9365 61 9772 62 11145 125 9132 146 9268 134 9366 61 9773 62 11147 125 9133 146 9269 134 9367 61 9829 64 11149 125

LOBE 9134 146 9270 134 9368 61 9830 64 11151 125 9135 146 9271 134 9369 61 9831 64 11153 125 9141 146 9272 134 9370 61 9832 64 11155 125 9146 146 9273 134 9371 135 9833 64 11157 125 9147 146 9283 135 9373 135 9834 64 11166 107 9148 146 9284 135 9374 61 9835 64 11170 107 9158 57 9291 135 9375 61 9837 64 11171 107 9159 57 9292 135 9376 61 11000 106 11172 107 9160 57 9293 135 9377 61 11001 106 11173 124 9161 57 9294 135 9384 58 11002 106 11175 124 9162 57 9295 135 9385 58 11003 106 11177 124 9185 57 9296 135 9386 58 11060 118 11192 118 9186 57 9297 135 9387 58 11061 118 11194 118 9187 57 9298 135 9388 58 11062 118 11195 118 9188 57 9299 135 9389 58 11064 119 11196 118 9189 57 9300 135 9418 148 11066 118 11230 113 9190 57 9301 135 9419 148 11075 119 11231 113 9191 57 9302 135 9420 148 11076 119 11232 113 9192 57 9303 135 9423 148 11077 119 11236 113 9193 57 9304 135 9424 148 11078 119 11258 117 9194 57 9306 135 9425 148 11080 121 11259 117 9195 57 9307 135 9444 148 11081 121 11260 117 9234 137 9310 135 9445 148 11082 121 11261 117 9236 137 9311 135 9446 148 11083 121 11262 117 9237 137 9312 135 9602 63 11084 121 11263 117 9238 137 9313 135 9603 63 11090 131 11265 117 9239 137 9314 135 9604 63 11091 131 11268 119 9240 134 9315 135 9605 63 11092 131 11269 119 9241 134 9320 134 9606 63 11093 131 11270 119 9242 134 9321 134 9608 63 11094 131 11271 119 9243 134 9322 134 9631 63 11103 106 11272 119 9244 134 9323 134 9632 63 11104 106 11273 119 9245 134 9324 134 9633 63 11105 106 11275 119 9246 137 9325 134 9635 63 11106 106 11282 129 9247 137 9341 134 9636 63 11107 106 11283 129 9248 137 9342 134 9637 63 11113 99 11284 129 9251 137 9343 134 9638 63 11115 99 11302 124 9252 137 9344 134 9639 63 11116 99 11304 124 9254 134 9345 134 9709 62 11117 99 11306 124 9256 134 9346 134 9710 62 11119 99 11308 124 9257 134 9360 61 9711 62 11124 109 11310 124 9258 134 9361 61 9712 62 11126 109 11312 124 9259 134 9362 61 9713 62 11128 109 11314 124 COMPONENTS LOBE LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # 11340 124 11531 116 11978 111 12176 96 12226 127 11342 124 11532 116 11979 111 12177 96 12227 127 11344 124 11534 85 12022 118 12178 96 12228 127 INDEX 11346 124 11535 85 12023 118 12179 96 12229 127 11348 124 11536 85 12044 118 12180 96 12230 95 11352 120 11537 85 12045 118 12181 96 12231 95 11353 120 11560 122 12046 118 12182 96 12232 95 11354 120 11561 122 12047 118 12183 95 12233 95 11363 124 11563 122 12048 118 12185 95 12234 95 11364 124 11607 99 12050 86 12187 95 12254 117 11368 120 11609 99 12052 86 12188 95 12255 117 11369 120 11611 99 12054 86 12189 95 12256 117 11370 120 11710 98 12060 112 12190 95 12257 117 11375 120 11711 99 12061 112 12191 95 12258 117 11376 120 11728 98 12066 113 12192 95 12260 74 11377 120 11730 98 12067 113 12193 95 12261 74 11460 78 11732 98 12068 113 12194 95 12262 74 11462 78 11734 98 12072 130 12195 95 12264 126 11464 78 11736 98 12073 130 12196 95 12265 126 11466 78 11737 98 12074 130 12197 95 12266 74 11468 78 11740 116 12094 118 12198 85 12267 74 11470 78 11743 116 12095 118 12199 85 12268 74 11472 78 11748 116 12100 91 12200 85 12294 117 11474 78 11888 96 12102 91 12201 85 12295 117 11476 78 11889 96 12103 12202 85 12296 117 11480 116 11890 96 12104 37 12203 85 12297 117 11494 116 11891 96 12106 37 12204 85 12298 117 11495 116 11892 96 12108 37 12205 85 12300 99 11496 116 11902 96 12110 37 12206 85 12301 99 11503 97 11903 96 12112 37 12207 85 12303 99 11504 97 11904 96 12114 129 12208 85 12304 99 11505 97 11906 96 12116 129 12209 115 12305 99 11506 97 11908 96 12117 129 12210 115 12306 99 11508 85 11918 100 12118 129 12211 115 12307 99 11509 85 11919 100 12127 118 12212 115 12310 114 11510 85 11920 100 12129 86 12213 115 12311 114 11511 85 11922 100 12131 86 12214 117 12312 114 11512 85 11924 100 12133 86 12215 117 12313 130 11513 85 11926 100 12134 37 12216 117 12314 130 11514 85 11928 100 12136 37 12217 117 12315 130 11515 85 11954 100 12138 37 12218 117 12316 130 11516 85 11955 100 12140 37 12219 117 12317 130 11517 85 11956 100 12142 37 12220 117 12318 130 11518 85 11957 100 12149 118 12221 127 12322 99 11519 85 11958 100 12170 96 12222 127 12324 99 11520 85 11975 111 12171 96 12223 127 12325 130 11526 116 11976 111 12172 96 12224 127 12328 130 11530 116 11977 111 12174 96 12225 127 12329 130 CAM SPECS

LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # LOBE # PAGE # 12330 120 12412 114 12472 126 12552 89 12626 129 12331 120 12416 114 12474 128 12554 89 12629 129 INDEX 12332 120 12417 114 12475 128 12555 89 12630 37 12333 120 12418 114 12476 95 12556 89 12632 37 12334 120 12419 114 12478 95 12558 89 12634 37

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For over 35 years the world's elite motorsports teams and engine builders have turned to COMP Cams® for advanced cam design technology and product manufacturing. As the af- termarket industry's foremost leader in camshaft and valve train study, COMP Cams® has evolved into a "think tank" that has given birth to countless innovations that have advanced an entire industry. The secret to this unprecedented success is an enduring commitment for pushing beyond current limitations to define the technology of tomorrow. COMP Cams® em- ploys the automotive aftermarket industry's largest and most highly trained engineering staff.

When provided with the most sophisticated design resources, test equipment and man- ufacturing processes available, great things happen, and what was once impossible be- comes yesterday's limitations. Allow the extraordinary resources of COMP Cams® to solve your next valve train product or technology challenge. With the industry's widest variety of cutting edge cam lobe designs and the ability to create a custom grind for virtually any ap- plication, COMP Cams® is standing by and ready to be your valve train technology partner.