ReadyLIFT leveling kits are the fastest safest least expensive way to bring the front of your vehicle level with the rear. Our innovative Smart Strut Technology (SST) mounts on top of the strut assembly eliminating the hassle time and danger of compressing springs. ReadyLIFT steel strut extension will maintain a smooth OEM ride without adding pressure to stock suspension components guaranteed! ReadyLIFT 66-5075 2.4" front leveling spacer kit fits 2007-2021 Toyota Tundra (non-trd pro).