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UMI Performance's 1973–1977 GM A-body rear control arm kit pairs boxed lower arms with heavy-duty fixed-length uppers and includes a shim to retain factory sway bar height. Components are CNC-machined, use greaseable polyurethane bushings and TIG-welded reinforcement at sway bar mounts. Built from USA mild steel with a powder-coat finish and 1/8" wall tubing, this kit aims to reduce deflection and improve cornering with a two-hour approximate install.
UMI Performance 73-77 GM A-Body Upper & Lower Control Arm Kit
