This past weekend I had a GM 10 bolt 8.75" rear end just about given to me, to put in my '49 3100, but it's in need of a few things as its been sitting outside for a few years. This is appartently the rare rear en that aftermarket parts are few and far between. I beleive the internals are good but I need to put a complete set of brakes starting at the backing plates on the rear. The housing is too rusted to get numbers off of. I know by counting the teeth it has a 2.56 ratio, and its a posi unit. My truck sits on an S10 frame so I figured this will do a few things for me, I need better highway speeds, and its wider to fill the rear fenders. If anyone knows where to find parts for the housing, or what other rear ends have the same backing plate/ drum set up it would be greatly appreciated.