I only have one chevrolet 4 bolt flywheel. It came off a 1937 216 in a 1941 chevy 1/2 ton truck. Other than that all the Chevrolet flywheels I have are 6 bolt ranging from 1946-1954.

I'm a little lax on GMC info.

Jeff


My 1953 Chevrolet
1947.1 Gallery
1972 C-10 1/2 Ton & 1972 C-30 1 Ton