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The UMI tall‑ball‑joint upper A‑arms for 1970–1981 F‑Body increase cornering capability by improving camber gain and adding caster for firmer steering feel. Constructed from 1.250" USA DOM tubing with a 4140 CrMo offset cross shaft and greasable Delrin bushings, they install as a direct bolt‑in and include quality ball joints. Finished in red or gloss black and made in the USA.
UMI Performance 70-81 GM F-Body Upper A-arms Front Tall Ball Joints
