Take full advantage of the Raptor's FOX LiveValve shocks when you install a 4-inch suspension lift kit by BDS Suspension on your 2019-2020 Ford F150 Raptor. After months of engineering, BDS determined that the 4" lift height allows for the best use of the factory equipped FOX Shocks and maintain full range of suspension travel allotted by the factory suspension components. This kit includes everything necessary to set your truck up right with clearance for up to 37" tires.