7.0mm stem. 11.0mm guide OD. Viton. (20 pack).
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
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