Yukon posi spider gear kit for 1963–1979 Corvette Dura Grip positraction supplies the internal gears and hardware for classic Corvette applications with Dura Grip units. Yukon builds these kits with higher-quality materials and techniques; the set includes two side gears, four pinion gears, cross pin shaft, roll pin and thrust washers to service Dura Grip positraction in those Corvette years.
Yukon Gear Positraction internals For GM Ci Corvette w/ 17 Spline Axles