Ridetech 11226110 64-72 GM ABODY SINGLE ADJUSTABLE REAR COILOVERSRidetech 11226110 64 72 GM ABODY SINGLE ADJUSTABLE REAR COILOVERS Upgrade yRidetechs 1964 1972 GM A body with HQ Series adjustable CoilOvers. Youll get high performance handling, great ride quality and the ability to adjust yRidetechs cars ride height. They feature 24 position rebound adjustment to help you fine tune the shocks to yRidetechs driving preferences and vehicle demands. With large 1. 834 pistons, heavy duty 5 8 shafts, and impact forged