I have a nice little collection of GM 8.5 inch 28 spline parts for sale or trade. Unknown mileage, but all parts are in good used condition. The 2.73 gears and one open carrier were in my Firebird, the other carrier and the 4.10 gears were in a mid 80's full size truck. There is some gear oil on the ring gear in some of the photos- everything is in good condition.
2x 8.5" 28 spline Open Carriers with Timken bearings- $25 each
1x 4.10 ratio ring and pinion set - $100
1x 2.73 ratio ring and pinion set- $100
Photos:

2x 8.5" 28 spline Open Carriers with Timken bearings- $25 each
1x 4.10 ratio ring and pinion set - $100
1x 2.73 ratio ring and pinion set- $100
Photos:

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