UMI Performance 15-24 Ford F-150 Complete Lowering Kit (Adjustable Height)UMI's 656063 lowering kit gives your truck a sleek, aggressive lowered stance with performance to match. UMI brackets, leaf spring shackles, flip kit and coilover front springs are paired with industry leading Viking shocks to round out the high performance package. UMI's complete lowering kit includes all components needed to lower your truck up to 4" in the front and 6" in the rear. Adjustable front and rear ride height, Front lowering range 1. 5 4