.3133" stem. 1.378" head.
1.8L / 112 OHV L4 8V "G" Chev. 3.504" Bore 82-82
GM
2.0L / 122 OHV L4 8V "1,P" Chev. 3.504" Bore 83-89
GM
GM112CA-CH | 1.8L / 112 OHV L4 8V "G" Chev. 3.504" Bore 82-82
BUICK,
CHEVROLET,
OLDSMOBILE,
PONTIAC
GM122CB-CH | 2.0L / 122 OHV L4 8V "1,P" Chev. 3.504" Bore 83-89
BUICK,
CHEVROLET,
OLDSMOBILE