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UMI adjustable Roto-Joint rear upper control arms for 1968–1972 A-Body vehicles offer on-car length adjustment with CrMo threaded adapters and a rebuildable Roto-Joint to minimize deflection and improve handling. Built with CNC laser-cut mounting pads and durable welding, these arms are a heavy-duty bolt-in replacement that eases pinion angle tuning while remaining suitable for street and performance driving.
UMI Performance 68-72 A-Body Adjustable Upper Control Arms- w/ Roto-Joint
