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The UMI upper A‑arm mounting hardware kit for 1964–1972 GM A-Body vehicles includes high-grade fasteners for installing aftermarket or replacement upper A-arms. The kit supplies Grade 8 bolts, flat washers and conical lock nuts, all zinc coated to resist corrosion and present a clean finish. Hardware fits UMI A-arms, factory arms and many other brands to simplify a reliable upper-arm installation.
UMI Performance 64-72 GM A-Body Upper A-Arm Mounting Hardware
