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The UMI on-car adjustable rear upper control arm for 1967–1970 GM B-Body is a direct-replacement arm that reduces wheel hop and improves cornering while allowing easy pinion angle adjustments without removal. It features a 4140 heat-treated Chromoly adjuster, grease-able polyurethane bushings, TIG welds and durable powder coat finish. Sold each; confirm whether your set-up requires one or two uppers and whether it is 3-link or 4-link.
UMI Performance 67-70 GM B-Body Adjustable Upper Control/Trailing Arm
