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UMI bolt‑in rear coilover conversion brackets for 1964–1972 GM A‑Body applications accommodate 2½" racing coilovers and offer adjustable ride height with a 250 lb spring rate plus damping control. Reinforced upper mount and FEA‑designed lower brackets bolt directly to Quick Performance rear lower control arm mounts, and trailing arm height positions allow instant center tuning. Manufactured and tested in Philipsburg, PA with US materials.
UMI 64-72 GM A-Body Coil Over Conversion Brackets Kit -1in to +1in Ride Height - 250lb Spring Rate
