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.
Fits GM 12P differential
30 spline pinion gear, thin gear
3.73 ratio
Includes Dura Grip positraction LSD, 30 spline
Coverage includes ’64 to ’72 Chevelle, ’67 to ’72 Camaro, ’69 to ’72 Firebird, ’70 to ’72 GTO, 9 other models, or anything
hot-rodded with a GM 8.875” 12 Bolt Passenger Axle
8.875” ring gear diameter
12 bolt ring gear
2.25" (AK 1563) axle bearings
Includes positraction unit, ring and pinion gear set, and all required bearings and installation hardware