The Yukon 8.6-inch GM 4.88 rear ring-and-pinion install kit contains a matched gear set, axle bearings and seals for a full rebuild of an 8.6" GM differential. Yukon Pro Kits include Master Install parts and high-quality Timken bearings, plus the small hardware required to get a vehicle off the lift and back on the road. The gear set is supported by Yukon’s Y.E.S. lifetime protection plan.
Yukon Gear 8.6in GM 4.88 Rear Ring & Pinion Install Kit Axle Bearings and Seal