Flat top. 1.578" CH. For cast iron head engines. Use R89016 or M89016 rings.
2.8L / 173 OHV V6 12V "B,R" Chev. 89.00mm Bore 82-93
GM, CHEVROLET
2.8L / 173 OHV V6 12V Chev. 3.504" Bore 84-86
JEEP
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
AM173T-CH | 2.8L / 173 OHV V6 12V Chev. 3.504" Bore 84-86
JEEP
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
IS2835T/GM | 2.8L / 2835 OHV V6 12V "R" GM 89.00mm Bore 89-91
ISUZU