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The UMI Performance boxed rear lower control arm for 1978–1988 GM G-Body cars replaces prone OEM arms to reduce bushing deflection, rust and traction loss for cleaner cornering and less wheel hop. Constructed from 0.120" wall rectangular tubing with CNC-machined bushing holders, MIG-welded end caps and greaseable polyurethane bushings. Direct bolt-on using OEM hardware; install time about one hour with included instructions.
UMI Performance 78-88 GM G-Body Boxed Lower Control Arms
