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Kit contains a ring and pinion set, positraction unit, and installation parts; This kit dramatically improves traction and durability by adding a Yukon Powr Lok LSD and an upgraded ring and pinion set to your diff. It’s also an opportunity to generate next-level acceleration by moving to a more aggressive gear ratio.

8.875" GM 12T Thick 4.11 Rear Ring & Pinion, Install Kit, Axle Bearings & Seals; Yukon Gear & Axle 8.875" GM 12 Bolt Truck, 4.11 Ratio Thick Rear Ring & Pinion Gear Set and Master Install Kit Package, with Axle Bearings & Seals

Kit consists of a high-quality ring and pinion set and all needed install parts; This kit will improve your car’s launching ability and deliver that “shot out of a cannon” acceleration we all lust for. It allows you to upgrade to a more aggressive gear ratio and includes all required bearings and installation hardware.

8.875" GM 12T 3.08 Rear Ring & Pinion, Install Kit, 30spl Posi, Axle Bearings; Yukon Gear & Axle 8.875" GM 12 Bolt Truck, 3.08 Ratio Rear Ring & Pinion Gear Set and Master Install Kit Package, with 30 Spline Yukon Dura Grip Limited Slip Positraction, and Axle Bearings & Seals

Kit consists of a high-quality ring and pinion set and all needed install parts; This kit will improve your car’s launching ability and deliver that “shot out of a cannon” acceleration we all lust for. It allows you to upgrade to a more aggressive gear ratio and includes all required bearings and installation hardware.

8.875" GM 12T 3.42 Rear Ring & Pinion, Install Kit, 30spl Posi, Axle Bearings; Yukon Gear & Axle 8.875" GM 12 Bolt Truck, 3.42 Ratio Rear Ring & Pinion Gear Set and Master Install Kit Package, with 30 Spline Yukon Dura Grip Limited Slip Positraction, and Axle Bearings & Seals

Kit contains a ring and pinion set, positraction unit, and installation parts; This kit dramatically improves traction and durability by adding a Yukon Dura Grip LSD and an upgraded ring and pinion set to your diff. It’s also an opportunity to generate next-level acceleration by moving to a more aggressive gear ratio.

8.875" GM 12T 3.73 Rear Ring & Pinion, Install Kit, 30spl Posi, Axle Bearings; Yukon Gear & Axle 8.875" GM 12 Bolt Truck, 3.73 Ratio Rear Ring & Pinion Gear Set and Master Install Kit Package, with 30 Spline Yukon Dura Grip Limited Slip Positraction, and Axle Bearings & Seals

Kit contains a ring and pinion set, positraction unit, and installation parts; This kit dramatically improves traction and durability by adding a Yukon Dura Grip LSD and an upgraded ring and pinion set to your diff. It’s also an opportunity to generate next-level acceleration by moving to a more aggressive gear ratio.

8.875" GM 12T 4.11 Rear Ring & Pinion, Install Kit, 30spl Posi, Axle Bearings; Yukon Gear & Axle 8.875" GM 12 Bolt Truck, 4.11 Ratio Rear Ring & Pinion Gear Set and Master Install Kit Package, with 30 Spline Yukon Dura Grip Limited Slip Positraction, and Axle Bearings & Seals

Kit consists of a high-quality ring and pinion set and all needed install parts; This kit will improve your car’s launching ability and deliver that “shot out of a cannon” acceleration we all lust for. It allows you to upgrade to a more aggressive gear ratio and includes all required bearings and installation hardware.

7.5"/7.625" GM 3.08 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings; Yukon Gear & Axle 7.5"/7.625" GM, 3.08 Ratio Rear Ring & Pinion Gear Set and Master Install Kit Package, with 2.25" OD Axle Bearings & Seals