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The UMI boxed rear lower control arm for 1978–1988 GM G-Body cars is a robust, direct-replacement arm that reduces suspension deflection and wheel hop for sharper handling. Reinforced sway bar holes with TIG sleeves, CNC machining for precision, and greaseable polyurethane bushings deliver consistent tracking. Durable powder coat and grease fittings mean lower maintenance and long life; installs in about one hour using basic hand tools.
UMI Performance 78-88 GM G-Body Rear Lower Control Arms Boxed
