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UMI boxed lower control arms for 1964–1972 A-Body cars combine a Delrin-lined Roto-Joint with a greaseable polyurethane bushing in a sealed, boxed rectangular tube design. CNC-machined tolerances, MIG/TIG welding, and reinforced sway bar holes deliver a durable assembly that reduces deflection and wheel hop while remaining streetable and ready to install using OEM hardware.
UMI Performance 64-72 A-Body Boxed Lower Control Arms- Poly/Roto-Joint
