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UMI’s tubular upper and lower a-arm kit for 1978–1988 G-body S10 trucks upgrades stamped factory arms to jig-built tubular construction with greaseable bushings and premium ball joints. Critical areas are TIG welded and CNC machined for fit, while the design increases caster and wheel clearance for lowered applications. The kit works with factory spindles, lowering springs and coilovers and ships fully assembled for simple installation.
UMI Performance 78-88 G-Body S10 Tubular Front Upper & Lower A-Arms Poly
