8 3/4 backing plates onto a small bolt with upgraded big bolt shafts

Dana67Dart said

Whatever you get be sure to record the vehical and year they came off of.

And when I say record I mean wright it down in 19 different places, maybe even etch it into the inside if the backing plate

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Good idea. Because right now I have no idea. The guy I got them from said, "IDK I think a B body", while shrugging his shoulders. Guess I've got to do some research. 1 thing I'm almost 100% sure of, is that they're 3 inch shoes and 90% sure they're 11 inch diameter drums. But when I get it all figured out I'll right it down in 21 different places.