UMI Performance 64-72 GM A-Body Rear Coilover Kit Control Arm Relocation Bolt In

UMIa**s bolt-in rear coilover kit allows full ride height, spring rate and damping adjustments, while trailing arm adjustment enables fine tuning of instant center. The reinforced upper mount is a direct bolt-in (requiring one additional hole to be drilled) and holds a true 2-1/2a*? racing coilover with double-shear mount. The FEA designed reinforced lower brackets bolt directly over the stock rear lower control arm mounts, utilizing the existing lower shock hole(s) (may requiring drilling of additional hole depending on factory configuration). The 2-hole trailing arm height adjustment enables fine tuning of instant center location for drag launch or auto-x/road race rear steer tuning. 100% designed, manufactured and raced out of Philipsburg, PA-USA and always US materials. Fitment: Buick Gran Sport Base 1965 Buick Gran Sport Base 1966 Buick Gran Sport Base 1967 Buick GS Base 1970 Buick GS Base 1971 Buick GS Base 1972 Buick GS 350 Base 1968 Buick GS 350 Base 1969 Buick GS 400 Base 196