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The UMI rear control arm bolt upgrade kit supplies new hardware to install either upper or lower rear control arms on 1964–1977 GM A-Body vehicles. The kit includes four 1/2" Grade 8 bolts, four 1/2" nylon lock nuts and washers, all zinc plated for corrosion resistance. This compact kit replaces old, worn bolts and provides everything needed for a single control arm installation.
UMI Performance 64-77 GM A-Body Rear Control Arm Bolt Upgrade Kit
