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The UMI tubular upper a-arms (P/N 3033-2) for 1978–1988 G-Body and S10 applications increase caster and camber control for improved steering feel and lateral grip. Features include greaseable Delrin bushings, 4140 CrMo cross shafts, polyurethane bump stops and ½" taller premium ball joints to enhance camber at full bump. Jig-built DOM tubing with TIG welding and durable powder coat make these track-tested, street-ready upgrades.
UMI Performance 78-88 G-Body S10 Tubular Front Upper A-Arms
