The UMI boxed rear lower control arms for 1964–1972 GM A-body applications combine a factory appearance with reinforced performance features. Built from sturdy rectangular tubing, they include greaseable polyurethane bushings, TIG-welded bushing holders and reinforced sway bar sleeves. CNC machined for consistent fit, these arms reduce wheel hop and install in approximately one hour with OEM hardware and simple hand tools.
UMI Performance 64-72 GM A-Body Rear Lower Control Arms Boxed