2004-2005 Champion Spark Plug Model/Year Recommended Plug Gap Gold Plug Gap 2 AEC COMMERCIAL DC D16 0.6 EB D16 0.6 EC, ED J8C 0.6 FB, FC, FE D16 0.6 FBH, FCH, FDH K97F 0.6 7/8” heads1/2” reach D16 0.6 Q type D23 0.6 ALBION COMMERCIAL EN222A 18mm heads D16 0.6 EN248, EN256 D16 0.6 EN271, EN272 14mm heads L90C 0.6 EN271, EN272 18mm heads D16 0.6 EFT3 6 cyl D16 0.6 FT7 4 cyl D16 0.6 F227 D16 0.6 Other Models 14mm head 3/4” reach N12YC 0.6 BEDFORD – See HOLDEN COMMERCIAL CHEVROLET COMMERCIAL 2, 2 1/2 ton HD 1954-1962 J6C 0.9 C20, C30, C50, C60 1975-on V12YC 0.8 V12YX 0.8 KB20 N9YC 0.8 N9YX 0.8 LUV Utlilty 1970-1978 N9YC 0.8 N9YX 0.8 Other 6 cyl 1954-1962 except W SERIES J8C 0.9 Other V8 1954-1962 except W SERIES J8C 0.9 Other V8 1954-1962 except W SERIES N4C 0.8 Other V8 1970-1975 N4C 0.8 W Series 1958-1962 N4C 0.8 ALFA ROMEO ALFA 33 1.5, 1.7L (except 16V) N7YC 0.7 N7YX 0.7 ALFA 33 BOXER S 16V 1.7L 7/1990-on C7YC 0.8 ALFA 75 2.0L Twin Spark C9YC 0.7 RC9YX 0.8 ALFA 75 2.5L, 3.0L V6 1986-on N7YC 0.7 N7YX 0.7 ALFA 90 2.5L V6 1986-on N7YC 0.7 N7YX 0.7 ALFA 147 2.0L DOHC Twin Spark 9/01-on 10mm plug RG4PHP — ALFA 147 2.0L DOHC Twin Spark 9/01-on 14mm plug RC8TYC — ALFA 156 2.0L DOHC Twin Spark 2/1999-on 10mm plug RG4PHP — ALFA 156 2.0L DOHC Twin Spark 2/1999-on 14mm plug RC8TYC — ALFA 156 2.5L V6 DOHC 24V 2/1999-on RC8PYP 0.7 ALFA 164 2.0L Twin Spark RC7YCC 0.8 ALFA 164 3.0L V6 1989-12/1992 N7YC 0.7 N7YX 0.7 ALFA 164 QUADRIFOGLIO 3.0L V6 1991-12/1992 N7YC 0.7 N7YX 0.7 ALFASUD inc SPRINT & Ti 1.2L, 1.3L, 1.5L N7YC 0.7 N7YX 0.7 ALFETTA, GT inc SPORTIVA 1.6L, 1.8L, 2.0L N7YC 0.7 N7YX 0.7 Tuesday, 10 April 2007 Page 1 of 63 2004-2005 Champion Spark Plug Model/Year Recommended Plug Gap Gold Plug Gap 2 BERLINA 1750cc, 2.0L, 2.6L N7YC 0.7 N7YX 0.7 GIULIA inc Ti Models 1.3L, 1.6L N7YC 0.7 N7YX 0.7 GIULIETTA 1.8L 1980-1984 N7YC 0.7 N7YX 0.7 GIULIETTA 2000 2.0L 1984-on N4C 0.7 # Hard Driving Use N3C# 0.6 GT JUNIOR 1.3L, 1.6L N7YC 0.6 N7YX 0.6 GTA JUNIOR 1.3L N6YC 0.6 GT VELOCE 1.6L, 1750cc N7YC 0.6 N7YX 0.6 # Hard Driving Use N6YC# 0.6 GT VELOCE 2000cc N4C 0.6 # Hard Driving Use N3C# 0.6 GTV 2000cc 1979-1986 N4C 0.6 # Hard Driving Use N3C# 0.6 GTV 6 2.5L V6 N9YC 0.7 N9YX 0.7 # Hard Driving Use N7YC# 0.7 N7YX# 0.7 GTV 2.0L DOHC Twin Spark 71999-on 10mm plug RG4PHP — GTV 2.0L DOHC Twin Spark 71999-on 14mm plug RC8TYC — GTV 3.0L V6 DOHC 24V 6/1998-on RC8PYP 0.7 MONTREAL 2.6L V8 1974-1976 N7YC 0.7 N7YX 0.7 MONTREAL 2.6L V8 1974-1976 # Hard Driving Use N6YC# 0.7 SPIDER 1.3L, 1.6L, 1750cc N7YC 0.6 N7YX 0.6 SPIDER 2000cc N3C 0.6 SPIDER 2.0L DOHC Twin Spark 6/1998-on 10mm plug RG4PHP — SPIDER 2.0L DOHC Twin Spark 6/1998-on 14mm plug RC8TYC — SPRINT 1.7L N6YC 0.7 MODELS TO 1955 3/8” reach J8C 0.8 AMBASSADOR 327 ci 7/16” reach H14Y 0.8 AMERICAN 196 ci 7/16” reach H14Y 0.8 AMERICAN 232 ci 3/4” reach N12YC 0.8 N11YX 0.8 CLASSIC 287 ci 7/16” reach H14Y 0.8 HORNET 232 ci 1969-1971 N12YC 0.8 N11YX 0.8 HORNET 258 ci 1969-1976 N12YC 0.8 N11YX 0.8 JAVELIN 290 ci 1968-1970 N12YC 0.8 N11YX 0.8 JAVELIN 343 ci 1971-1976 N12YC 0.8 N11YX 0.8 JAVELIN 390 ci 1972-1973 N12YC 0.8 N11YX 0.8 JAVELIN 401 ci 1971-1976 N12YC 0.8 N11YX 0.8 MATADOR 360 ci 1973-1976 N12YC 0.9 N11YX 0.9 X Coupe 360 ci 1976-1978 N12YC 0.8 N11YX 0.8 REBEL 290 ci 1967-1969 N12YC 0.8 N11YX 0.8 REBEL 343 ci 1969-1971 N12YC 0.8 N11YX 0.8 ASIA ROCSTA 4WD 1.8L F8 eng N12YC 0.8 N11YX 0.8 ASTON MARTIN/LAGONDA DB4, DB5, DB6 All Models RN9YC 0.6 RN9YX 0.6 Tuesday, 10 April 2007 Page 2 of 63 2004-2005 Champion Spark Plug Model/Year Recommended Plug Gap Gold Plug Gap 2 DB7 Supercharged 3.2L 3/1994-on RC7YCC 0.8 DBS V8 1969-1972 RN11YX 0.8 RN11YX 0.8 DBS6 1963-1974 RN9YC 0.6 RN9YX 0.6 V8 Carb Models 1973-1985 RN11YX 0.8 RN11YX 0.8 V8 Inj Models1985-1990 RN9YC 0.9 RN9YX 0.9 VANTAGE 5.3L Carb Models 1977-1985 RN9YC 0.6 RN9YX 0.6 VANTAGE 5.3L Inj Models 1985-1990 RN7YC 0.8 VANTAGE Supercharged 5.3L 32V 1993-on RC6YC 0.8 VIRAGE 5.3L 32V 1990-on RC9YC 0.9 RC9YX 0.9 VOLANTE 1963-1974 RN9YC 0.6 RN9YX 0.6 ZAGATO 1965-1990 RN7YC 0.9 AUDI A3 1.6L SOHC 8V (AEH eng) 5/1997-on RC8VTYC4 1.0 A3 1.8L DOHC 20V (AGN eng) 5/1997-on RC8VTYC4 1.0 A3 1.8L Turbo DOHC 20V (AEB eng) 2/1998-on RC8VTYC4 1.0 A4 1.8L (ADR eng) 7/1995-on RC8VTYC4 1.0 A4 1.8L Turbo (AEB eng) 6/1996-on RC8VTYC4 1.0 A4 QUATTRO 1.8L (AEB eng) 1/1995-on RC8VTYC4 1.0 A4 2.4L (AGJ, AGA, ALF, ALG eng) 7/1997-on RC8DMC — A4 2.4L (AFM eng) 7/1997-on RC8VTYC4 1.0 A4 2.6L (ABC eng) 11/1994-on RC8VTYC4 1.0 A4 2.8L 30V (ACK eng) 1/1996-on RC8VTYC4 1.0 A4 QUATTRO 2.8L 30V (ACK eng) 1/1996-on RC8VTYC4 1.0 A6 2.4L (AGJ, AGA, ALF eng) 7/1997-on RC8DMC — A6 QUATTRO 2.4L 30V (AGA, AJG eng) 5/1997-on RC8DMC — A6 AVANT QUATTRO 2.6L (ABC, ACZ eng) 6/1994-on RC8VTYC4 1.0 A6 2.8L 30V (ACK eng) 1/1997-on RC8VTYC4 1.0 A8 2.8L 12V (AAH eng) 6/1994-8/1996 RC8VTYC4 1.0 A8 3.7L 40V (AQG eng) 1/1997-on RC89TMC — A8 4.2L (ABZ, AEM eng) 1995-on RS9YC 0.8 A8 4.2L (AQF eng) 9/1998-on RC89TMC — 5E, 5+5 2.1L 1978-6/1984 N7YC 0.7 N7YX 0.7 80 1.6L 1967-1970 N9YC 0.7 N9YX 0.7 80 CC 1.8L (JN eng) 6/1986-7/1987 N9BYC 0.8 80 QUATTRO 1.9L (SD eng) 1988 N9BYC 0.8 80 2.0L (3A eng) 1989-on N9BYC 0.8 80 2.0E (AAD, ABK eng) 1989-on N9BYC 0.8 80 2.3E 5 cyl (NG eng) 1992-on N9BYC 0.8 80 2.6E V6 (ABC eng) 1993-on RC8VTYC4 1.0 80 2.6E QUATTRO V6 (ABC eng) 1993-on RC8VTYC4 1.0 80 2.8E V6 (AAH eng) 1992-on RC8VTYC4 1.0 90 SPORT 2.3L (NG eng) 1989-1992 N9BYC 0.8 90 QUATTRO 2.3L 20V (7A eng) 1989-3/1991 C6BYC 0.8 100 AVANT 2.8L V6 (AAH eng) 1992-on RC8VTYC4 1.0 Tuesday, 10 April 2007 Page 3 of 63 2004-2005 Champion Spark Plug Model/Year Recommended Plug Gap Gold Plug Gap 2 100 CD 2.2L 5 cyl (KF eng) 1983-1985 N9YC 0.8 N9YX 0.8 100 CD 2.2L 5 cyl (HX eng) 1985-1987 N9BYC 0.8 100 CD AVANT 2.3L 5 cyl (NF eng) 1988-on N9BYC 0.8 100 CD Sedan 2.3L 5 cyl (AAR eng) 1990-on RN10VTYC4 1.0 100 GL 1.9L 1974-1976 N7YC 0.7 N7YX 0.7 100 LS 1.8L 1970-1973 N7YC 0.7 N7YX 0.7 100 2.8 V6 (AAH eng) 1992-on RC8VTYC4 1.0 100 QUATTRO 2.8 V6 (AAH eng) 1992-on RC8VTYC4 1.0 200 Turbo Sedan 2.2L N9BYC 0.8 TT Coupe, Roadster Turbo 1.8L (AJL, AJQ eng) 5/1999-on RC8PYP 0.8 T 5T Turbo (KJ eng) N6YC 0.8 FOX 1.4, 1.6L All Models 1974-1979 N9YC 0.7 N9YX 0.7 PRINZ N5C 0.7 SUPER 90 1967-1970 N9YC 0.7 N9YX 0.7 V8 QUATTRO 1990-1992 RS9YC 0.8 AUSTIN – See LEYLAND AUSTIN HEALEY – See LEYLAND AUTO UNION – See AUDI BENTLEY BROOKLANDS 6.7L EFI 1/1993-on RN12YC 0.8 RN11YX 0.8 CONTINENTAL 6.7L 1972-on RN12YC 0.8 RN11YX 0.8 CONTINENTAL R, Turbo R 6.7L 1986-on RN12YC 0.8 RN11YX 0.8 CONTINENTAL S2, S3 1960-1965 RN12YC 0.6 CORNICHE (T Series) 1971-1974 RN12YC 0.6 CORNICHE (T Series) 6.7L V8 1974-1985 RN12YC 0.8 RN11YX 0.8 EIGHT 6.7L V8 3/1987-6/1992 RN12YC 0.8 RN11YX 0.8 MULSANNE, MULSANNE S 6.7L 1981-1987 RN12YC 0.8 RN11YX 0.8 TURBO R, RL 6.7L EFI 1989-on RN12YC 0.8 RN11YX 0.8 BLMC – See LEYLAND BMW 3.0 CS, 3.0 S to mid 1971 N9YC 0.7 N9YX 0.7 3.0 CS, 3.0 S mid 1971-on N9YC 0.7 N9YX 0.7 316i 1.6L E36 (M43 eng) 3/1995-4/1999 RC8DMC — 316i 1.9L E46 (M46 eng) 4/1999-on RC89TMC — 318, 318i 1.8L E30 (M10 eng) To-8/1987 N9YC 0.8 N9YX 0.8 318i 1.8L E30 (M40 eng) 1987-4/1991 C9YC 0.8 318i 1.8L E36 (M43 eng) 5/1991-8/1993 RC8DMC — 318i 1.8L E36 (M42, M43 eng) 9/1993-8/1998 RC8DMC — 318i 1.9L E46 (M46 eng) 9/1998-on RC89TMC — 318is 1.8L E30 (M42, M43 eng) 8/1989-4/1992 RC8DMC — Tuesday, 10 April 2007 Page 4 of 63 2004-2005 Champion Spark Plug Model/Year Recommended Plug Gap Gold Plug Gap 2 318is 1.8L E36 (M42, M43 eng) 4/1992-5/1996 RC8DMC — 318is 1.9L E36 (M44 eng) 6/1996-10/1999 RC8DMC — 318ti 1.9L E36 (M44 eng) 5/1996-on RC8DMC — 320, 320a 2.0L 1976-1978 N9YC 0.8 N9YX 0.8 320a 2.0L 1978-1980 N9YC 0.8 N9YX 0.8 320i 2.0L 1976-1978 N9YC 0.8 N9YX 0.8 320i 2.0L 1978-1980 N9YC 0.8 N9YX 0.8 320i 2.0L 1988-1990 N9YC 0.8 N9YX 0.8 320i 2.0L E36 (M50, M52 eng) 1/1991-12/1996 RC8DMC — 323, 323i 1976-1978 N9YC 0.8 N9YX 0.8 323i 2.3L (M30, M60 eng) 1979-1983 N9YC 0.8 N9YX 0.8 323i 2.5L E36 (M52 eng) 8/1995-8/1998 RC8DMC — 323i 2.5L E46 (M52 eng) 9/1998-10/2000 RC89TMC — 323Ci 2.5L E46 (M52 eng) 6/1999-on RC89TMC — 325, 325e 2.7L (M30 eng) 1/1986-12/1987 N9YC 0.8 N9YX 0.8 325i 2.5L E30 (M30 eng) 1/1988-4/1991 N9YC 0.8 N9YX 0.8 325i 2.5L E36 (M50 eng) 1991-4/1995 RC8DMC — 328i 2.8L E36 (M52 eng) 2/1995-1/1997 RC8DMC — 328i 2.8L E46 (M52 eng) 2/1998-on RC89TMC — 520, 520 Late 1972 to mid 1973 N9YC 0.8 N9YX 0.8 520 mid 1973 to mid 1975 N9YC 0.8 N9YX 0.8 520 mid 1975-on N9YC 0.8 N9YX 0.8 520i 1973-1975 N9YC 0.8 N9YX 0.8 520i 1976-1982 N9YC 0.8 N9YX 0.8 520i (M20 eng) 1983-12/1985 N9YC 0.8 N9YX 0.8 520i 2.0L E34 (M50 eng) 4/1990-3/1996 RC8DMC — 520i 2.0L E39 (M52 eng) 3/1996-10/2000 RC8DMC — 523i 2.5L E39 (M52 eng) 4/1996-on RC8DMC — 525, 525e 2.7L (M20 eng) 1986-7/1988 N9YC 0.8 N9YX 0.8 525i 2.5L (M20 eng) 6/1988-10/1990 N9YC 0.8 N9YX 0.8 525i 2.5L E34 (M50 eng) 4/1990-3/1996 RC8DMC — 528, 528a 2.5L 1975-1977 N9YC 0.7 N9YX 0.7 528 2.8L (M20, M86) 1977-1984 N9YC 0.7 N9YX 0.7 528i 2.8L E39 (M52 eng) 1/1996-10/2000 RC8DMC — 530i 3.0L E34 (M60 eng) 4/1993-3/1996 RC8DMC — 535i 3.4L E34 (M30) 1986-8/1993 N9YC 0.7 N9YX 0.7 535i 3.5L E39 (M60 eng) 3/1996-11/2000 RC8DMC — 540i 4.0L E34 (M60 eng) 10/1992-6/1996 RC8DMC — 540i 4.0L E39 (M60 eng) 6/1996-on RC8DMC — 635, 633CSi 3.2L 1977-1980 N9YC 0.7 N9YX 0.7 635CSi 3.4L (M30 eng) 1986-on N9YC 0.7 N9YX 0.7 730, 730i 3.0L 6 cyl E32 (M30 eng) 11/1990-5/1993 N9YC 0.7 N9YX 0.7 730iL 3.0L E32, E38 (M60 eng) 11/1992-on RC8DMC — 733i 3.2L 1978-1986 N9YC 0.7 N9YX 0.7 Tuesday, 10 April 2007 Page 5 of 63 2004-2005 Champion Spark Plug Model/Year Recommended Plug Gap Gold Plug Gap 2 735i 3.2L 1983-1984 N9YC 0.7 N9YX 0.7 735i, 735iL 3.4L (M30 eng) 1985-11/1992