Engines with aluminum cylinder heads. 1 round groove. 8mm stem. (200 pack).
1.4L / 85 SOHC L4 8V "I" Chev. 3.228" Bore 76-77
GM
1.6L / 98 SOHC L4 8V "0,9,C,E,J" Chev. 3.228" Bore 76-87
GM
1.8L / 112 OHV L4 8V "G" Chev. 3.504" Bore 82-82
GM
1.8L / 112 SOHC L4 8V "0" Pont. 3.339" Bore 82-86
GM
1.8L / 112 SOHC L4 8V "J" Pont. Turbo 3.339" Bore 84-86
GM
2.0L / 122 OHV L4 8V "1,P" Chev. 3.504" Bore 83-89
GM
2.2L / 134 OHV L4 8V "4,G" Chev. 89.00mm Bore 90-02
GM
2.5L / 150 OHV L4 8V "E,H,P,U" AMC 3.875" Bore 83-02
JEEP
2.5L / 150 OHV L4 8V "H,U,Z" AMC 3.875" Bore 83-89
AMC
2.5L / 150 OHV L4 8V "P" 3.875" Bore 96-02
CHRYSLER, DODGE, RAM
2.5L / 151 OHV L4 8V "1,2,5,9,R,U,V" Pont. 4.000" Bore 77-92
GM
2.5L / 151 OHV L4 8V "A,E" Pont. 4.000" Bore 85-93
GM, CHEVROLET
2.8L / 173 OHV V6 12V Chev. 89.00mm Bore 80-89
GM
3.1L / 189 OHV V6 12V "J,M,T,W" Chev. 89.00mm Bore 88-05
GM
3.1L / 189 OHV V6 12V "V" Chev. Turbo 89.00mm Bore 89-90
GM
3.9L / 239 OHV V6 12V "M,X" 3.910" Bore 87-03
CHRYSLER, DODGE, RAM
4.0L / 242 OHV L6 12V "M,L,S" 3.875" Bore 87-06
JEEP
5.2L / 318 OHV V8 16V "T" CNG 3.910" Bore 93-03
CHRYSLER, DODGE, RAM
5.2L / 318 OHV V8 16V 3.910" Bore 59-03
CHRYSLER, DODGE, RAM
5.9L / 360 OHV V8 16V 4.000" Bore 71-03
CHRYSLER, DODGE, RAM
8.0L / 488 OHV V10 20V "E" 4.000" Bore 92-02
CHRYSLER
8.0L / 488 OHV V10 20V "W" 4.000" Bore 94-03
CHRYSLER, DODGE, RAM
AM150C | 2.5L / 150 OHV L4 8V "H,U,Z" AMC 3.875" Bore 83-89
EAGLE,
AMERICAN MOTORS
AM150T | 2.5L / 150 OHV L4 8V "E,H,P,U" AMC 3.875" Bore 83-02
JEEP
AM242T | 4.0L / 242 OHV L6 12V "M,L,S" 3.875" Bore 87-06
JEEP
CR150T | 2.5L / 150 OHV L4 8V "P" 3.875" Bore 96-02
DODGE
CR239T | 3.9L / 239 OHV V6 12V "M,X" 3.910" Bore 87-03
DODGE
CR318T | 5.2L / 318 OHV V8 16V 3.910" Bore 59-03
DODGE,
PLYMOUTH
CR318TA | 5.2L / 318 OHV V8 16V "T" CNG 3.910" Bore 93-03
DODGE
CR360T | 5.9L / 360 OHV V8 16V 4.000" Bore 71-03
DODGE,
PLYMOUTH
CR488C | 8.0L / 488 OHV V10 20V "E" 4.000" Bore 92-02
DODGE
CR488T | 8.0L / 488 OHV V10 20V "W" 4.000" Bore 94-03
DODGE
GM085C-CH | 1.4L / 85 SOHC L4 8V "I" Chev. 3.228" Bore 76-77
CHEVROLET
GM098CA-CH | 1.6L / 98 SOHC L4 8V "0,9,C,E,J" Chev. 3.228" Bore 76-87
CHEVROLET,
PONTIAC
GM112CA-CH | 1.8L / 112 OHV L4 8V "G" Chev. 3.504" Bore 82-82
BUICK,
CHEVROLET,
OLDSMOBILE,
PONTIAC
GM112CB-PO | 1.8L / 112 SOHC L4 8V "0" Pont. 3.339" Bore 82-86
BUICK,
OLDSMOBILE,
PONTIAC
GM112CC-PO | 1.8L / 112 SOHC L4 8V "J" Pont. Turbo 3.339" Bore 84-86
BUICK,
PONTIAC
GM122CB-CH | 2.0L / 122 OHV L4 8V "1,P" Chev. 3.504" Bore 83-89
BUICK,
CHEVROLET,
OLDSMOBILE
GM134C-CH | 2.2L / 134 OHV L4 8V "4,G" Chev. 89.00mm Bore 90-02
CHEVROLET,
PONTIAC,
BUICK,
OLDSMOBILE
GM151C-PO | 2.5L / 151 OHV L4 8V "1,2,5,9,R,U,V" Pont. 4.000" Bore 77-92
BUICK,
CHEVROLET,
PONTIAC
GM151T-PO | 2.5L / 151 OHV L4 8V "A,E" Pont. 4.000" Bore 85-93
CHEVROLET,
GMC
GM173C-CH | 2.8L / 173 OHV V6 12V Chev. 89.00mm Bore 80-89
BUICK,
CHEVROLET,
OLDSMOBILE,
PONTIAC,
CADILLAC
GM189C-CH | 3.1L / 189 OHV V6 12V "J,M,T,W" Chev. 89.00mm Bore 88-05
BUICK,
CHEVROLET,
PONTIAC,
OLDSMOBILE
GM189CA-CH | 3.1L / 189 OHV V6 12V "V" Chev. Turbo 89.00mm Bore 89-90
PONTIAC
