Class 1: Open wheel, unlimited suspension and powered buggy. Class Rep: CJ Hutchins 1/2 - 1600: Open wheel, limited to VW type suspension & 1600cc VW engine, 1 & 2 seat buggy. Class Rep: Kenny Freeman Class 2: Class Rep: Bill Shapley Class 3: Production - Short Wheelbase 4x4. Class Rep: CJ Hutchins Class 4: Class Rep: CJ Hutchins Class 5: Open wheel unlimited Baja Bug, sedan, safari, 900 Porsche, Karman Ghia. Class Rep: Vince Bishop Class 5-1600: Open wheel limited Baja Bug 1600 cc. Class Rep: Bill Shapley Class 6: Class Rep: Bill Shapley Class 7: Unlimited Mini or Mid-Size Truck. Class Rep: Keith Minnicks NAPA Chassis 7S Challenge Series: Pure stock, stock production mini or mid-size truck; limited, mini or mid size trucks. Must have frame & meet all safety requirements. Class Rep: Bill Shapley Class 8: Class 8 production full-size truck & SUV. Must have frame and meet all safety requirements. Class Rep: Jeff Bruner Class 9: Open wheel 1600 cc 1 & 2 seat buggy w/ max 100” wheelbase. Class Rep: Dale Looney Class 10: Open wheel unlimited suspension, limited cc 1 & 2 seat buggy. Class Rep: Bill Shapley Class 12: Class 10 light, similar to SCORE Lites. Open wheel, beam front end, limited cc, 1 & 2 seat buggy. Class Rep: Ken Thatcher Class 13 Limited Sportsman Buggy: Open wheel, 1600 cc dual port limited cc, 1 & 2 seat buggy, no coil-over or air shocks. Not a Pro Class. Class Rep: Bill Shapley Class 15 Unlimited Sportsman Buggy: Open wheel, unlimited 1 & 2 seat buggy. Not a Pro Class. Class Rep: Tom High Class 18: Open wheel limited spec class, 1585 cc, 1 & 2 seat buggy w/ max 120” wheelbase. Class Rep: Kenny Freeman Class 1450: Production mini or full-size truck, unlimited. Must have a cab, fenders, hood and bed sides any material. Must meet safety requirements. Not a Pro Class. Class Rep: Keith Smith (310)227-0242 1900 (SXS): Pro Limited Class Rep: Mike Colosimo 702-287-9239 2900 (SXS): Pro Unlimited Class Rep: Mike Colosimo 702-287-9239 3900 (SXS): Sportsman Class Rep: Mike Colosimo 702-287-9239 Class 2000: Class Rep: Jim Messina Class 3000: GM Ecotec powered 4-cyl production motor, short wheel base. Class Rep: Bill Shapley Stock Bug: Open wheel stock VW sedans. SCORE Class 11. Class Rep: Robert Johnson Unlimited Truck: Based on SCORE Trophy Truck® Must resemble a truck. Unlimited suspension and power Class Rep: John Koeth Heavy Metal: Unlimited suspension Class 8 production full-size truck and & SUV. Class Rep: Bill Shapley Stock Full Production: Pure stock production full-size utility. Class Rep: Gary Roglin 951-202-8512 Mini-Metal: Class Rep: Bill Shapley .