Late '67 with serial # prefix 4W or 8W. Intake manifold valley pan set.
5.4L / 330 OHV V8 16V Olds. 3.938" Bore 64-67
GM
5.7L / 350 OHV V8 16V Olds. Gas 4.057" Bore 68-80
GM
GM330C-OL | 5.4L / 330 OHV V8 16V Olds. 3.938" Bore 64-67
OLDSMOBILE
GM350CE-OL | 5.7L / 350 OHV V8 16V Olds. Gas 4.057" Bore 68-80
BUICK,
CADILLAC,
OLDSMOBILE