UMI Performance’s bolt-in rear coilover kit for 1964–1972 GM A-Body fits factory GM axle housings and provides full ride-height, spring-rate and damping adjustment for 2–3" Pro-Tour style lowering. The reinforced upper mount bolts in with one additional hole, 2-1/2" coilovers and double-shear mount increase strength, and the Viking shocks offer extensive adjustment for drag or road-race tuning.
UMI Performance 64-72 GM A-Body Rear Coilover Kit (225LB Spring Rate)