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UMI’s tubular upper and lower a-arm kit for 1978–1988 G-body S10 trucks replaces stamped arms with high-strength tubular construction and premium features for street and track use. Lower arms include greaseable polyurethane bushings, preloaded premium ball joints, and a ball-joint mount angled for lowered vehicles. Upper arms use Delrin or Delrin-style bushings and billet CrMo cross shafts; kits ship assembled with alignment specs and install-ready hardware.
UMI Performance 78-88 G-Body S10 Tubular Front Upper & Lower A-Arms Poly
