.3715" stem. 1.787" head. 4 groove.
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
5.0L / 304 OHV V8 16V 3.750" Bore 70-79
AMC
5.0L / 304 OHV V8 16V 3.750" Bore 71-81
JEEP
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
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
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