Product Description
USA Standard Gear standard spider gear set for Ford 8.8", 31 spline- Spider gear kit
- Fits Ford 8.8" 31 spline open differential
- Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
- 7/8" cross pin shaft. 28 spline carriers and 1985 & older 31 spline applications have a 3/4" cross pin shaft and require a new carrier case.