Steel plugs.
1.8L / 112 OHV L4 8V "G" Chev. 3.504" Bore 82-82
GM
1.8L / 112 SOHC L4 8V "0" Pont. 3.339" Bore 82-86
GM
1.8L / 112 SOHC L4 8V "J" Pont. Turbo 3.339" Bore 84-86
GM
2.0L / 121 SOHC L4 8V "H,K" Pont. 85.98mm Bore 87-94
GM
2.0L / 121 SOHC L4 8V "M" Pont. Turbo 85.98mm Bore 87-90
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
GM112CB-PO | 1.8L / 112 SOHC L4 8V "0" Pont. 3.339" Bore 82-86
BUICK,
OLDSMOBILE,
PONTIAC
GM112CC-PO | 1.8L / 112 SOHC L4 8V "J" Pont. Turbo 3.339" Bore 84-86
BUICK,
PONTIAC
GM121CA-PO | 2.0L / 121 SOHC L4 8V "H,K" Pont. 85.98mm Bore 87-94
PONTIAC,
BUICK,
OLDSMOBILE
GM121CB-PO | 2.0L / 121 SOHC L4 8V "M" Pont. Turbo 85.98mm Bore 87-90
PONTIAC,
BUICK
GM122CB-CH | 2.0L / 122 OHV L4 8V "1,P" Chev. 3.504" Bore 83-89
BUICK,
CHEVROLET,
OLDSMOBILE
