5.3L / 326 OHV V8 16V Pont. 3.719" Bore 63-67
GM
6.4L / 389 OHV V8 16V Pont. 4.063" Bore 59-66
GM
6.9L / 421 OHV V8 16V Pont. 4.094" Bore 63-66
GM
GM326C-PO | 5.3L / 326 OHV V8 16V Pont. 3.719" Bore 63-67
PONTIAC
GM389C-PO | 6.4L / 389 OHV V8 16V Pont. 4.063" Bore 59-66
PONTIAC
GM421C-PO | 6.9L / 421 OHV V8 16V Pont. 4.094" Bore 63-66
PONTIAC
