Yukon Gear & Axle 9.5-inch GM rear ring-and-pinion master install kit with a 3.42 ratio, designed for 12-bolt rear covers. This complete package includes the ring and pinion, axle bearings and seals plus the Yukon Master Install kit components needed to rebuild the differential. Yukon applies advanced heat-treating and quality testing to its gears, making these kits a time-saving option for differential repairs and gear upgrades.
Yukon Gear 9.5in GM 3.42 Rear Ring & Pinion Install Kit Axle Bearings and Seals