wild guess Chevy truck mid to late 60s. For the truck 12 bolt. but that's just a guess, you'd probably want to measure the ring gear offset to make sure exactly what it is.
Jim...thanks, ironically that is what I was told it was by a friend after showing him pictures...he said 1965 to 67 Chevy truck 12 bolt. Just haven't been able to confirm it anywhere...no casting numbers or really any identifiers on the posi...
I have one just like it in my junk pile, with the number 85, I recall it had the aluminum plates in it. The pin came out, so it's junk now, but it was in one of those trucks.
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