Dome top. 1.747" CH. Use R40958 rings.
6.5L / 396 OHV V8 16V Chev. 4.094" Bore 65-70
GM
6.5L / 396 OHV V8 16V Chev. 4.094" Bore 66-69
GM, CHEVROLET
GM396CA-CH | 6.5L / 396 OHV V8 16V Chev. 4.094" Bore 65-70
CHEVROLET,
PONTIAC
GM396TA-CH | 6.5L / 396 OHV V8 16V Chev. 4.094" Bore 66-69
CHEVROLET,
GMC