Built Ford Tough to last a lifetime from solid aluminum alloy, Super Duty MAXXstak kits are indestructible! No cracking, no sagging, no rust, just a built-proof suspension leveling lift kit that does the job and won't break the bank. This Kit comes complete with all the necessary hardware to complete the installation, and install quickly and easily when using the appropriate tools. If your in need of extra clearance for bigger tires, extra height for rough terrain, and bolstered support for heavy front accessories are just some of the many benefits of the Super Duty MAXXstak Leveling System. Fits 2005 up 4 wheel drive coil spring equipped Ford Super Duty F-250's and F350's including power stroke diesel engine models as well as the F series 450 / F550 chassis. Sold as set.