Flat top. 1.655" CH. Use R38858 rings.
5.0L / 307 OHV V8 16V Chev. 3.875" Bore 68-73
GM,
GM, CHEVROLET
GM307C-CH | 5.0L / 307 OHV V8 16V Chev. 3.875" Bore 68-73
CHEVROLET,
PONTIAC
GM307T-CH | 5.0L / 307 OHV V8 16V Chev. 3.875" Bore 68-73
CHEVROLET,
GMC