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UMI bolt‑in rear coilover conversion brackets for 1964–1972 GM A‑Body applications allow installation of 2½" racing coilovers and provide full ride height, spring rate and damping adjustment. Reinforced, FEA‑designed lower brackets bolt to Quick Performance rear mounts and the upper mount accepts a double‑shear racing top. Made and tested in Philipsburg, PA using US materials; initial bracket installation and ride‑height measurements are recommended.
UMI 64-72 GM A-Body Coil Over Conversion Brackets Kit -2in to -3in Ride Height - 175lb Spring Rate
