The Yukon 8.6-inch GM 3.42 rear ring-and-pinion install kit supplies a matched gear set plus Yukon Master Install components, axle bearings and seals to rebuild an 8.6" GM rear. Yukon Pro Kits consolidate premium ring and pinion sets with Timken bearings and necessary small parts so you can complete a re-gear job faster, with coverage under Yukon’s Y.E.S. lifetime protection plan.
Yukon Gear 8.6in GM 3.42 Rear Ring & Pinion Install Kit Axle Bearings and Seal