UMI extended uppers center Impala SS rear wheels with added adjustment.

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.