Differential Re-Gear Kit with Yukon Dura Grip 3.42 Ratio

The Yukon Muscle Car Limited Slip & Re-Gear Kit, part number YGK2321, is designed to enhance the performance of GM 12-bolt differentials. This comprehensive kit integrates a Yukon Dura Grip Limited Slip Differential (LSD) with an upgraded ring and pinion gear set, aiming to significantly boost both traction and durability. The 3.42 gear ratio included in this kit provides an opportunity to achieve more aggressive acceleration. This kit is specifically engineered for GM 12P differentials and features a 30-spline pinion gear. The ring gear diameter measures 8.875 inches, and it uses a 12-bolt configuration. The package also contains all necessary bearings and installation hardware required for a complete and proper setup. Additionally, the kit includes 2.25-inch axle bearings (AK 1563). The kit is compatible with a range of classic GM muscle cars, including ’64 to ’72 Chevelle, ’67 to ’72 Camaro, ’69 to ’72 Firebird, and ’70 to ’72 GTO. It is also suitable for approximately nine other models or any vehicle that has been hot-rodded with a GM 8.875” 12 Bolt Passenger Axle.