Yukon Gear & Axle yukYPKGM8.5-P-30

Yukon posi spider gear kit for GM 8.5" differentials outfitted with Dura Grip positraction (30 spline) supplies the internal gears and associated hardware to replace worn components. Using higher-quality materials and manufacturing methods, the kit includes two side gears, two pinion gears, cross pin shaft, roll pin and thrust washers. Clutches are not included and it fits Dura Grip setups with 30-spline axles.

Yukon Gear Positraction internals For 8.5in GM w/ 30 Spline Axles