.3715" stem. 1.720" head. Except medium duty trucks.
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
6.6L / 402 OHV V8 16V Chev. 4.125" Bore 70-72
GM,
GM, CHEVROLET
7.0L / 427 OHV V8 16V Chev. 4.250" Bore 66-69
GM
7.4L / 454 OHV V8 16V Chev. 4.250" Bore 70-76
GM
7.4L / 454 OHV V8 16V Chev. 4.250" Bore 71-00
GM, CHEVROLET
7.4L / 454 OHV V8 16V Chev. Big Block 4.250" Bore
GM
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
GM402C-CH | 6.6L / 402 OHV V8 16V Chev. 4.125" Bore 70-72
CHEVROLET
GM402T-CH | 6.6L / 402 OHV V8 16V Chev. 4.125" Bore 70-72
CHEVROLET,
GMC
GM427CA-CH | 7.0L / 427 OHV V8 16V Chev. 4.250" Bore 66-69
CHEVROLET
GM454C-CH | 7.4L / 454 OHV V8 16V Chev. 4.250" Bore 70-76
CHEVROLET
GM454T-CH | 7.4L / 454 OHV V8 16V Chev. 4.250" Bore 71-00
CHEVROLET,
GMC
