Cadillac, Chevrolet, GMC, Hummer... Differential Ring and Pinion Kit - Rear - Yukon Gear and Axle - YGK2021

Gear & Install Pkg
YGK2021
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08-99 CAD/GM/HUM
8.6" GM 3.42 Rear Ring & Pinion, Install Kit, Axle Bearings & Seal
8.6" GM 3.42 REAR R&P GEAR/ INSTALL KIT PACKAGE w/ AK C10, '99-'08 TRK & SUV
Yukon Gear & Axle 8.6" GM, 3.42 Ratio Rear Ring & Pinion Gear Set and Master Install Kit Package, with Axle Bearings & Seals
Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle.

If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.
For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
Includes LM603049/ LM603012 Carrier Bearing and Race with 1.781" Inside Diameter and 3.062" Outside Diameter
Pro Kits feature the highest quality components and are backed by the best warranty in the business.
Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
The Gear and Install Kit Includes Axle Bearings & Seals
The Ring Gear Diameter is 8.5"
Yukon Pro Kits offer premium differential repair & performance parts in several convenient packages to save time and money by including everything you need in one simple part number.
This particular kit contains a 3.42 Ring & Pinion Gear Set