Standard Spark Plugs

U-Groove design provides better ignitability for increased engine efficiency.1995-1996, AM GENERAL, BUICK, CADILLAC, CHEVROLET, CHRYSLER, DODGE, FO...

U-Groove design provides better ignitability for increased engine efficiency.1975-1987, BUICK, CADILLAC, CHEVROLET, FORD, GMC, JEEP, LINCOLN, MERCU...

U-Groove design provides better ignitability for increased engine efficiency.1990-1999, AUDI, CADILLAC, CHEVROLET, DELOREAN, DODGE, EAGLE, FORD, JA...

U-Groove design provides better ignitability for increased engine efficiency.1970, CHEVROLET

Manufactured to OEM quality standards.1989-1997, FORD, HONDA, MAZDA

Manufactured to OEM quality standards.1992-2003, ACURA, CHEVROLET, CHRYSLER, DODGE, HONDA, HYUNDAI, ISUZU, JEEP, KIA, MAZDA, PONTIAC, SATURN

U-Groove design provides better ignitability for increased engine efficiency.1988-2010, BUICK, CADILLAC, CHEVROLET, FORD, GMC, ISUZU, JAGUAR, LINCO...

U-Groove design provides better ignitability for increased engine efficiency.1991, AUDI, BMW, HONDA, HYUNDAI

OEM specified special ground electrode configuration.1997-2001, AUDI, BMW, CADILLAC, DAEWOO, MINI, PORSCHE, SAAB, SATURN, SUZUKI, VOLKSWAGEN

U-Groove design provides better ignitability for increased engine efficiency.1968-1991, CHEVROLET, GMC, OLDSMOBILE, PONTIAC

OEM specified special ground electrode configuration.1998-2000, LEXUS, TOYOTA

U-Groove design provides better ignitability for increased engine efficiency.2000-2010, CHRYSLER, DODGE, HYUNDAI, INFINITI, JEEP, KIA, NISSAN, TOYOTA

U-Groove design provides better ignitability for increased engine efficiency.2006-2010, BMW, BUICK, CADILLAC, CHRYSLER, DODGE, HONDA, INFINITI, JEE...

Manufactured to OEM quality standards.2002-2009, ACURA, HONDA

Manufactured to OEM quality standards.1997-2005, ACURA, AUDI, BMW, DODGE, HONDA, JEEP, MITSUBISHI, RAM, VOLKSWAGEN

Manufactured to OEM quality standards.1965-1968, JEEP

U-Groove design provides better ignitability for increased engine efficiency.1971-1980, DODGE, FERRARI, MAZDA, MITSUBISHI, PLYMOUTH, PORSCHE, SUBAR...

U-Groove design provides better ignitability for increased engine efficiency.2006, CHRYSLER, LEXUS, MERCEDES-BENZ, PONTIAC, SCION, TOYOTA, VOLVO

U-Groove design provides better ignitability for increased engine efficiency.1955-1996, FORD, MERCURY

U-Groove design provides better ignitability for increased engine efficiency.2008-2010, AUDI, CHEVROLET, CHRYSLER, DODGE, HYUNDAI, JAGUAR, JEEP, KI...

U-Groove design provides better ignitability for increased engine efficiency.1981-1988, AMERICAN MOTORS, CHRYSLER, DODGE, EAGLE, JEEP, PLYMOUTH

U-Groove design provides better ignitability for increased engine efficiency.1970-1992, AUDI, BUICK, CHEVROLET, FERRARI, FIAT, GEO, HONDA, ISUZU, L...

U-Groove design provides better ignitability for increased engine efficiency.1970-1972, HONDA, PORSCHE, RENAULT

U-Groove design provides better ignitability for increased engine efficiency.1989-1997, NISSAN, VOLKSWAGEN

U-Groove design provides better ignitability for increased engine efficiency.1975-1985, AVANTI, BUICK, CHECKER, CHEVROLET, FORD, GMC, JEEP, LINCOLN...

U-Groove design provides better ignitability for increased engine efficiency.1977-1985, FERRARI

U-Groove design provides better ignitability for increased engine efficiency.1989-1990, CHRYSLER

U-Groove design provides better ignitability for increased engine efficiency.1991-1997, ACURA, BUICK, CHEVROLET, CHRYSLER, DODGE, EAGLE, FORD, HOND...

U-Groove design provides better ignitability for increased engine efficiency.1994-2010, AUDI, CHEVROLET, CHRYSLER, DAEWOO, DAIHATSU, DODGE, EAGLE, ...

U-Groove design provides better ignitability for increased engine efficiency.1989-2000, CHRYSLER, DODGE, EAGLE, GEO, PLYMOUTH, SUZUKI

U-Groove design provides better ignitability for increased engine efficiency.1975, CHEVROLET, FORD, LAND ROVER, MAZDA, MERCURY

U-Groove design provides better ignitability for increased engine efficiency.2009-2010, AUDI, CHEVROLET, GEO, LEXUS, MAZDA, NISSAN, OLDSMOBILE, PON...

U-Groove design provides better ignitability for increased engine efficiency.1984-2001, BENTLEY, CHRYSLER, DODGE, EAGLE, HYUNDAI, INFINITI, JEEP, K...