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UMI's P/N 403133‑1 tubular a‑arm kit for 1964–1972 GM A‑Body replaces stamped arms and adds 1/2" taller upper ball joints to improve camber curve and steering feel. Tubular construction, Delrin upper bushings, billet CrMo cross shafts and TIG welding provide strength and precision. The kit fits factory spindles and works with factory springs, lowering springs and popular coilover setups, shipping assembled and ready to install.
UMI Performance 64-72 GM A-Body Front A-arm Kit 1/2in taller upper ball joints
