Daystar was the first to enter the Leveling Kit market in 1995. Though there have been many companies that have entered the market since, Daystars Leveling Kits offer many advantages that the others can not claim. Lifetime Warranty - All of Daystars Leveling Kits are backed by a Lifetime Warranty. In the unlikely event you experience a problem with a Daystar product, Daystar will take care of it. Made in the U.S.A. - All of Daystar leveling kits are manufactured at its plant located in Phoenix, Arizona. In-house manufacturing ensures a level of quality control that no one else can match, and Daystar has the ISO9001 certification to prove it. Daystar Leveling Kits work within the factory suspension design, meaning that the work within the factorys design parameters to achieve an increase in ride height that levels the stance of the vehicle. Because Daystar works within the factorys design, there are not a bunch additional modifications involved. Everything needed is included in the kit; theres everything you need and nothing you dont. Recommended maximum tire size: 35 inch.