This 4.5" Lift Dual Rate coil-spring Kit is designed to improve your ride quality and handling. The progressive spring rates maintain a plush street ride and excellent performance off-road. 2005-UP FORD SUPER DUTY FRONT 4.5" LIFT DUAL RATE SPRING KIT TECH NOTE: 2020 Super Duty models have a lower ride height from the factory than 2017-2019 trucks. This results in an increase of approximately .75" of additional lift height over ICON's advertised numbers. ICON 05-19 FSD FRONT 4.5" DUAL RATE SPRING KIT
