YPKGM8.5-P-28 Yukon Dura Grip Positraction Internals for GM AAM 8.5″ rear with 28 spline axles.
- Fits GM 8.5″ with 28 spline Dura Grip positraction
- Includes two side gears, four pinion gears, cross pin shaft, roll pin and spider gear thrust washers.
- Spider gear kit




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