BMR UTCA011 on-car adjustable upper control arm for 1964–1967 GM A‑body features a CNC-machined chrome‑moly center adjuster with rolled threads and TIG-welded tube adapters to provide strength and reliable adjustment. Two-inch greasable 95‑durometer polyurethane bushings with internal flutes retain lubricant under load, allowing fine pinion-angle tuning for improved driveline alignment and repeatable handling.
BMR 64-67 A-Body Upper Control Arms On-Car Adj. (Polyurethane) - Black Hammertone