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UMI Performance's adjustable upper control arms for 1978–1988 GM G-Body let you fine-tune pinion angle to improve handling, reduce wheel hop and increase traction. Built with 4140 chrome-moly adjusters, CNC-machined 0.250" steel mounting plates and 6061 aluminum step bushings, they feature on-car adjustability and greaseable fluted polyurethane bushings plus a durable gloss powder coat for lasting corrosion resistance and precise, serviceable adjustment.
UMI Performance 78-88 GM G-Body Adjustable Upper Control Arms- Poly Bushings
