This 4'' Performance Coilover Systems brings together the safety and capability of BDS's 4'' lift kits with the uncompromising performance of Fox factory series 2.5 remote reservoir coilovers and rear Fox 2.0 IFP shocks for true blend of on-road comfort and offroad performance, and engineered to the highest standard using quality materials built right here in the USA.The Fox factory series 2.5 remote reservoir coilovers come pre-tuned with Eibach coil springs for impressive high speed offroad performance and the coilovers are pre-dialed to provide 4" of lift right out of the box to speed up installation. These coilovers are built to outperform out on the trail while offering fade free performance to push your new F150 to the limits. Kit includes:Front and rear crossmember,CNC-machined ductile iron steering knuckles,Heavy duty replacement ball joints,Multipoint differential relocation brackets,Heavy duty differential skid plate ,Sway bar relocation brackets,New alignment cam bolts,Billet aluminum driveshaft spacer,In the rear a 4" offset pin block kit recenters the rear axle in the wheelwell and replacing the factory 1.25'' block to eliminate stacking blocks, Rear brake line extensions,Front shocks CoilOver FOX 2.5 ,Rear shocks FOX 2.0 IFP, Note:Cutting required,