Also Recommended--ReadyLift 1" Rear Lift Blocks--The perfect Tow Package Upgrade ReadyLift® OEM style rear block kits are now available for all Tundra model applications. These Rear Block Kits include (2) Rear Blocks, (4) E-Coated U-Bolts, (8) Nuts and Washers and will safely lift the rear of your Truck an additional 1”. Based on OEM designs and made from cast iron, never made out of light weight extrusions. 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. This is a great Tow Package upgrade that allows you to fully lift your truck while maintaining the use it like it was originally intended. Like all ReadyLift® products these block kits come with our Lifetime Warranty.