Should be a 10" but I have a '60 235 with a 10 1/2" clutch. Might be best to pull it apart before ordering parts. Should be able to have the flywheel resurfaced should you not?
A replacement flywheel needs to be for 12v stater, not eailer 6v.


BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022