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The UMI Performance adjustable upper control arms for 1968–1972 GM A-body provide on-car adjustability to optimize pinion angle using CNC-machined 4140 chrome-moly parts. Features include 0.250" steel mounting plates, fluted greaseable polyurethane bushings, a heat-treated 1.000" chrome-moly adjuster and threaded tube adapters for accurate tuning. Fully welded construction and a durable powder-coat finish support dependable handling improvements for street and track use.
UMI Performance 68-72 GM A-Body Adjustable Upper Control Arms- Poly Bushings
