ReadyLIFT OEM-style rear block kits are available for 1995-2022 Tacoma six-lug model and 1999-2021 Tundra applications. 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.