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UMI’s adjustable rear upper control arm for 1964–1967 GM A‑Body applications gives a bolt-in path to crisper handling and easier pinion-angle adjustment. Greaseable polyurethane bushings minimize deflection while the on-car CrMo adjuster allows quick tuning. Heavy-duty construction includes 1/4" CNC laser-cut mounting pads, TIG/MIG welds and a long-lasting powder coat finish. Typical install time is about 1–2 hours.
UMI Performance 64-67 GM A-Body Adjustable Upper Control Arms- Poly Bushings
