The ReadyLIFT Suspension 2.5" Lift Coil Spring Front Lift Kit made to fit 2011-2023 Ford Super Duty F250/F350/F450 4WD diesel trucks gives Super Duty owners an excellent alternative for lifting the front of your truck. This great new Front Lift system will raise the front of your 2011-2023 4WD Super Duty truck 2.5". The 46-2725 coil spring system allows for increased tire sizes and widths along with providing improved ground clearance and a more commanding view of the road. Install up to 35" tall off road tires with no problems. This new coil spring lift kit delivers a great ride ride and handling performance! The key ingredients to improving your ride are the new specially engineered coil springs teamed with ReadyLIFT SST3000 Performance Shocks! This combination is more than just a leveling kit. This is a performance and ride enhancing kit that will really surprise you at how well it rides and performs both on and off road. The ReadyLIFT 2.5" Coil Spring Front Lift Kit System for 2011-2023 Ford Super Duty F250/F350/F450 trucks also included model-specific brake line extension brackets our time-tested bump stop extension brackets and new front sway bar frame mount extension brackets to keep the factory sway bar where is supposed to be. If you want tough looks and a smooth but controlled ride then you want the new 46-2725 Coil Spring Leveling Kit System. Your truck will thank you! NOTE: Super Duty trucks depending on factory spring rate may experience a minor variation in lift height. Final lift height may vary from 1.5" to 2.5". NOTE: 2011-2016 F250 vehicles may require a rear block kit to achieve a level stance. NOTE: Not recommended for TREMOR editions.