ReadyLift 5" Rear Block Kits include two 5 inch rear blocks, four e-coated U-bolts, eight nuts and washers and will safely lift the rear of your truck. ReadyLift block kits will put a slight rake back in your Truck for hauling or towing and are designed to work in concert with your ReadyLift suspension leveling kit. In fact, these blocks are the ideal tow package upgrade not only for stock height vehicles, but lifted or leveled trucks too. Like all ReadyLift products these block kits come with ReadyLift limited lifetime warranty.