Sorry,
It's a 53 3100. I was informed here that the rear is a '55-'62 HO33 from a 1/2 ton truck. It seems that all parts I orderd online for a 53 fit. Cables, shoes, drums, etc so I am assuming I need the 53 ones, or I could try to find 55-62 possibly?
Either way, they seem hard to find.
