Product Description
USA Standard Gear standard spider gear set for GM 8.5", 30 spline- Spider gear kit
- Fits GM 8.5" 30 spline open differential
- Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
- Does not fit 8.6" carriers with casting numbers 1073 or 7875. Both 8.5" & 8.6" carriers were available from 1999-2002. The 8.5" carrier has two large openings, the 8.6 carrier has one large and one small opening.