UMI Performance extended length upper control arms are designed to center the rear wheels in the wheel well on the Impala SS. These control arms are extended 5/8” with additional adjustment for perfect centering. The user can lengthen or shorten the control arms an additional 1/2” beyond the extended length. Built from DOM tubing with CNC machined mounting points and 4140 Chrome Moly tube adaptors. Features a high strength 4140 Chrome Moly heat treated solid adjuster. Includes polyurethane bushings for quiet operation. Designed to work with extended length lower control arms. Note: Longer driveshaft may be necessary depending on ride height variation.

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