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I bought this a year ago to put in my '89 4.3 p/u but have changed my plans. It is for an 18 spline 3:42 ratio. It came out of a 2001 S10 that had 25,000 miles on it and light use.
I have a new installation kit that goes with it, bearings, shims etc. I also have a 3:42 ring and pinion out of a Firebird that has a larger pinion or something different, just in case. I can't remember why I got the r/p but it was because some of the 7.5's had something different about them. Not having pulled mine apart I wanted to be ready for anything that might go wrong.
I don't know how many 10 bolt 7.5 diffs this will work on. Make an offer.
I have a new installation kit that goes with it, bearings, shims etc. I also have a 3:42 ring and pinion out of a Firebird that has a larger pinion or something different, just in case. I can't remember why I got the r/p but it was because some of the 7.5's had something different about them. Not having pulled mine apart I wanted to be ready for anything that might go wrong.
I don't know how many 10 bolt 7.5 diffs this will work on. Make an offer.