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UMI Performance fully boxed rear control arm kit for 1964–1967 GM A-Body cars replaces weak stamped arms with heavy-duty boxed lowers and greaseable polyurethane bushings to reduce suspension deflection and wheel hop. Boxed lowers use 3" x 1½" rectangular tubing with CNC-machined radius ends and capped radius ends for a factory look, while adjustable upper arms allow on-car pinion angle tuning.
UMI Performance 64-67 GM A-Body Rear Control Arm Kit Fully Boxed Lowers Adjustable Uppers
