Intake & exhaust gaskets for HO not included.
5.7L / 350 OHV V8 16V Pont. 3.875" Bore 68-77
GM
6.6L / 400 OHV V8 16V Pont. 4.120" Bore 67-79
GM
7.5L / 455 OHV V8 16V Pont. 4.150" Bore 70-76
GM
GM350CE-PO | 5.7L / 350 OHV V8 16V Pont. 3.875" Bore 68-77
BUICK,
PONTIAC
GM400C-PO | 6.6L / 400 OHV V8 16V Pont. 4.120" Bore 67-79
PONTIAC
GM455C-PO | 7.5L / 455 OHV V8 16V Pont. 4.150" Bore 70-76
PONTIAC