Engine VIN code L,S,Z,9 .3412" stem. 1.421" head. Engines with cast iron cylinder heads.
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
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 / 3137 OHV V6 12V "Z" GM 89.00mm Bore 91-94
ISUZU
3.4L / 207 OHV V6 12V "E,S" Chev. 92.00mm Bore 93-05
GM
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
GM189T-CH | 3.1L / 189 OHV V6 12V "D" Chev. 89.00mm Bore 90-95
CHEVROLET,
PONTIAC,
OLDSMOBILE
GM207CB-CH | 3.4L / 207 OHV V6 12V "E,S" Chev. 92.00mm Bore 93-05
CHEVROLET,
PONTIAC,
OLDSMOBILE
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
