Exhaust. 1.250 x 1.5045 x .2188". 45 Deg. Hi-Chrome Cast. Iron Cyl. head with 1.421" - 1.455" valve head diameter. (4 pack).
2.8L / 173 OHV V6 12V "B,R" Chev. 89.00mm Bore 82-93
GM, CHEVROLET
2.8L / 173 OHV V6 12V Chev. 89.00mm Bore 80-89
GM
2.8L / 2835 OHV V6 12V "R" GM 89.00mm Bore 89-91
ISUZU
2.9L / 177 OHV V6 12V "T" 93.00mm Bore 86-92
FORD
2.9L / 177 OHV V6 12V "V" 93.00mm Bore 88-89
FORD
3.1L / 189 OHV V6 12V "D" Chev. 89.00mm Bore 90-95
GM, CHEVROLET
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
3.1L / 3137 OHV V6 12V "Z" GM 89.00mm Bore 91-94
ISUZU
3.2L / 196 OHV V6 12V "C" Buick 3.500" Bore 78-79
GM
3.3L / 199 OHV L6 12V 3.750" Bore 65-70
AMC
3.4L / 207 OHV V6 12V "E,S" Chev. 92.00mm Bore 93-05
GM
3.6L / 221 OHV V8 16V "L" 3.500" Bore 62-63
FORD
3.8L / 231 OHV V6 12V Buick 231 3.800" Bore 75-88
GM
3.8L / 231 OHV V6 12V Buick 231 Turbo 3.800" Bore 78-89
GM
3.8L / 232 OHV L6 12V 3.750" Bore 64-79
AMC
3.8L / 232 OHV L6 12V 3.750" Bore 65-78
JEEP
3.8L / 232 OHV L6 AMC 3.750" Bore 69-72
INTERNATIONAL
4.2L / 258 OHV L6 12V 3.750" Bore 71-88
AMC
4.2L / 258 OHV L6 12V 3.750" Bore 71-90
JEEP
4.2L / 258 OHV L6 AMC 3.750" Bore 72-74
INTERNATIONAL
4.3L / 260 OHV V8 16V "F" 3.800" Bore 62-65
FORD
4.7L / 287 OHV V8 16V 3.750" Bore 63-66
AMC
4.7L / 290 OHV V8 16V 3.750" Bore 66-69
AMC
5.0L / 304 OHV V8 16V 3.750" Bore 70-79
AMC
5.0L / 304 OHV V8 16V 3.750" Bore 71-81
JEEP
5.3L / 327 OHV V8 16V AMC 4.000" Bore 60-66
AMC
5.3L / 327 OHV V8 16V AMC 4.000" Bore 65-70
JEEP
AM199C | 3.3L / 199 OHV L6 12V 3.750" Bore 65-70
AMERICAN MOTORS
AM232C | 3.8L / 232 OHV L6 12V 3.750" Bore 64-79
AMERICAN MOTORS
AM232T | 3.8L / 232 OHV L6 12V 3.750" Bore 65-78
JEEP
AM258C | 4.2L / 258 OHV L6 12V 3.750" Bore 71-88
AMERICAN MOTORS
AM258T | 4.2L / 258 OHV L6 12V 3.750" Bore 71-90
JEEP
AM287C | 4.7L / 287 OHV V8 16V 3.750" Bore 63-66
AMERICAN MOTORS
AM290C | 4.7L / 290 OHV V8 16V 3.750" Bore 66-69
AMERICAN MOTORS
AM304C | 5.0L / 304 OHV V8 16V 3.750" Bore 70-79
AMERICAN MOTORS
AM304T | 5.0L / 304 OHV V8 16V 3.750" Bore 71-81
JEEP
AM327C | 5.3L / 327 OHV V8 16V AMC 4.000" Bore 60-66
AMERICAN MOTORS
AM327T | 5.3L / 327 OHV V8 16V AMC 4.000" Bore 65-70
JEEP
FO177C | 2.9L / 177 OHV V6 12V "V" 93.00mm Bore 88-89
MERKUR
FO177T | 2.9L / 177 OHV V6 12V "T" 93.00mm Bore 86-92
FORD
FO221CA | 3.6L / 221 OHV V8 16V "L" 3.500" Bore 62-63
FORD,
MERCURY
FO260C | 4.3L / 260 OHV V8 16V "F" 3.800" Bore 62-65
FORD,
MERCURY
GM173C-CH | 2.8L / 173 OHV V6 12V Chev. 89.00mm Bore 80-89
BUICK,
CHEVROLET,
OLDSMOBILE,
PONTIAC,
CADILLAC
GM173T-CH | 2.8L / 173 OHV V6 12V "B,R" Chev. 89.00mm Bore 82-93
CHEVROLET,
GMC
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
GM189T-CH | 3.1L / 189 OHV V6 12V "D" Chev. 89.00mm Bore 90-95
CHEVROLET,
PONTIAC,
OLDSMOBILE
GM196C-BU | 3.2L / 196 OHV V6 12V "C" Buick 3.500" Bore 78-79
BUICK,
CHEVROLET
GM207CB-CH | 3.4L / 207 OHV V6 12V "E,S" Chev. 92.00mm Bore 93-05
CHEVROLET,
PONTIAC,
OLDSMOBILE
GM231CA-BU | 3.8L / 231 OHV V6 12V Buick 231 3.800" Bore 75-88
BUICK,
OLDSMOBILE,
PONTIAC,
CHEVROLET
GM231CBA-BU | 3.8L / 231 OHV V6 12V Buick 231 Turbo 3.800" Bore 78-89
PONTIAC,
BUICK
IH232T | 3.8L / 232 OHV L6 AMC 3.750" Bore 69-72
INTERNATIONAL
IH258T-AM | 4.2L / 258 OHV L6 AMC 3.750" Bore 72-74
INTERNATIONAL
IS2835T/GM | 2.8L / 2835 OHV V6 12V "R" GM 89.00mm Bore 89-91
ISUZU
IS3137T/GM | 3.1L / 3137 OHV V6 12V "Z" GM 89.00mm Bore 91-94
ISUZU
