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The UMI adjustable upper control arm for 1978–1988 GM G-Body cars lets you tune pinion angle for improved traction, handling and reduced wheel hop. Built with CNC-machined 0.250" steel mounting plates, 4140 chromoly threaded tube adapters and a heat-treated 4140 chromoly 1.000" adjuster, it features on-car adjustability and greaseable Energy Suspension fluted polyurethane bushings with a durable gloss powder coat finish.
UMI Performance 78-88 GM G-Body Adjustable Upper Control Arms- Poly Bushings
