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.
Fits GM 12P differential
30 spline pinion gear
3.31 ratio
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 ring and pinion gear set, and all required bearings and installation hardware