The 4-inch kit includes everything you need to lift the F-150. Up front, it includes crossmembers, knuckles, strut spacers, differential drop brackets, and driveshaft spacer.

Another appealing aspect of this F-150 kit is the owner can easily bump it up to a 6-inch lift by simply replacing the 4-inch strut spacers with 6-inch versions (or swap out the struts for the 6 ...