In cooperation with Ford Motor Company, Fabtech has developed this 6'' Suspension Systems for the all new 2015 F150. This new system includes heavy duty 1/4'' thick steel lower control arm crossmembers with an integrated front differential skid plate for protection and increased front suspension strength. This is an important construction feature to properly handle large tires on and offroad. Fabtech's extended length ductile iron steering knuckles allow use of 18'', 20'' or 22'' wheels. The Performance System comes with Dirt Logic 2.5 Stainless Steel Coilovers featuring Eibach coil springs in the front and Dirt Logic Stainless Steel 2.25's in the rear for aggressive offroad driving. Estimated installation time - 5 hrs. Zero holes to drill for installation. No welding required. Some cutting required. No driveshaft modification required.