The MaxTrac set of square 9/16" U-bolts for 2009–2018 Ford F-150 2WD is sized for 5-inch rear lift blocks and includes four U-bolts with heavy nuts and washers. Intended for substantial rear block lift applications, these U-bolts provide the axle-to-spring clamping hardware required when fitting 5" blocks and complement block lift kits for the F-150 2WD platform.
MaxTrac 09-18 Ford F-150 2WD Rear U-Bolts for 5in Lift Blocks - Square - Set of 4