ReadyLIFT's CNC-machined billet Aluminum 2004-2020 Ford F-150 FX4 2003-2022 Expedition Leveling Kit is designed to level the front end on Ford F-150 FX4 trucks which have a different rake than as the non-FX4 versions. This Leveling Kit provides 1.5" of front leveling. The kit works on FX4 applications as well as Expedition and Mark LT. Note: This kit will NOT work with factory electronically controlled shocks.