It is common.

It's the typical light Chevy size found on almost all Chevy pickups and cars of that ear.

I think it's 7/16-20. But check that before spending money on more of them.


1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble...