UMI adjustable upper control arm boosts traction and cuts wheel hop.Harness the power of your Ford Mustang with UMI Performance's adjustable rear upper control arm. Upgrade from the factory rubber bushings to improve responsiveness and reduce wheel hop. Constructed with CNC machined 0. 250 thick mild steel bracket and 4140 chromoly adjustment boss.
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UMI adjustable upper control arm boosts traction and cuts wheel hop.