TrailFX has produced a line of leveling and rear block kits that are engineered to provide consumers with the very best in quality performance at an attractive price point. TrailFX suspension products allow you to level your vehicle or raise it for additional tire clearance, all while maintaining your factory ride. Product Features:Puts The Rake Back In Your Truck For Hauling Or TowingThis Great New Rear Block System Eliminates The Dangers Of Having To Stack BlocksLimited Lifetime Warranty Against Defects In Design, Operation, Workmanship And Materials