The Maxx Stak Adjustable Leveling Kit for 2004-2013 Ford F150 4x4s and 2WD models with coil over strut suspension. Make the MAXX of your F-150s stock suspension with Suspension Maxxs new attitude-altering, adjustable front end leveling kit that offers 2, 2.25, or the MAXX 2.5of lift! Increased ground clearance, a dramatically enhanced level-riding profile with no loss of ride quality, and room for up to 34 tires are just a few of the many benefits! Made in the USA using Aluminum Alloy and Precision CNC Machining process, the Maxx Stak spacers take strength and rigidity to new and improved heights! These new Maxx Stak spacers are built tough like your Ford to ensure theyll last a lifetime! No cracking, no sagging, no corroding; just a simple, bolt-in kit that does the job and wont break the bank. They come complete with all the necessary hardware to complete the installation, and install quickly and easily when using the appropriate tools. Covered under the MAXX Warranty.