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The UMI Performance rear control arm kit for 1968–1972 GM A-body features fully boxed lower arms and adjustable upper arms for easy on-car pinion angle tuning. Large 3" x 1½" tubing, CNC-machined capped radius ends and TIG-reinforced sway bar holes retain a clean factory appearance while resisting deflection. Assembled with greaseable polyurethane bushings and finished in powder coat, this kit balances ride comfort and precise handling with an estimated two-hour install.
UMI Performance 68-72 GM A-Body Rear Control Arm Kit Fully Boxed Lowers Adjustable Uppers
