The MaxTrac set of square 9/16" U-bolts for 2009–2018 Ford F-150 2WD is sized for 2-inch lift block installations and includes four U-bolts with thick nuts and washers. Designed to fasten the axle to the spring pack when a 2" block lift is installed, these square U-bolts match common F-150 lift hardware requirements and are supplied to complement block lift kits for that model range.
MaxTrac 09-18 Ford F-150 2WD Rear U-Bolts for 2in Lift Blocks - Square - Set of 4