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8.5" GM 4.56 Rear Ring & Pinion, Install Kit, 30spl Posi, Axle Bearings & Seals; Yukon Gear & Axle 8.5" GM, 4.56 Ratio Rear Ring & Pinion Gear Set and Master Install Kit Package, with 30 Spline Yukon Dura Grip Limited Slip Positraction, 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.

8.5" GM 4.88 Rear Ring & Pinion, Install Kit, 30spl Posi, Axle Bearings & Seals; Yukon Gear & Axle 8.5" GM, 4.88 Ratio Rear Ring & Pinion Gear Set and Master Install Kit Package, with 30 Spline Yukon Dura Grip Limited Slip Positraction, 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.

8.5" GM 3.42 Rear Ring & Pinion, Install Kit, Axle Bearings, 1.78" Case Journal; Yukon Gear & Axle 8.5" GM, 3.42 Ratio Rear Ring & Pinion Gear Set and Master Install Kit Package, with Axle Bearings & Seals. Fits 1.781" Carrier Bearing Journal

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.

8.5" GM 3.73 Rear Ring & Pinion, Install Kit, Axle Bearings, 1.78" Case Journal; Yukon Gear & Axle 8.5" GM, 3.73 Ratio Rear Ring & Pinion Gear Set and Master Install Kit Package, with Axle Bearings & Seals. Fits 1.781" Carrier Bearing Journal

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.

8.5" GM 4.11 Rear Ring & Pinion, Install Kit, Axle Bearings, 1.78" Case Journal; Yukon Gear & Axle 8.5" GM, 4.11 Ratio Rear Ring & Pinion Gear Set and Master Install Kit Package, with Axle Bearings & Seals. Fits 1.781" Carrier Bearing Journal

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.

8.5" GM 4.56 Rear Ring & Pinion, Install Kit, Axle Bearings, 1.78" Case Journal; Yukon Gear & Axle 8.5" GM, 4.56 Ratio Rear Ring & Pinion Gear Set and Master Install Kit Package, with Axle Bearings & Seals. Fits 1.781" Carrier Bearing Journal

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.