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UMI boxed rear lower control arms for 1978–1988 G‑Body with Roto‑Joints provide bind‑free movement and durable construction. Made from 0.120" wall rectangular tubing with reinforced sway bar sleeves and greaseable Delrin‑lined pivot balls, these fully assembled arms reduce bushing deflection and wheel hop while improving traction and suspension travel. They arrive ready to install and use OEM hardware for fitment.
UMI Performance 78-88 G-Body Boxed Lower Control Arms- Poly/Roto-Joint
