ReadyLIFT Suspension the leader in suspension leveling systems delivers the most economical and safe method of altering vehicle ride height which also allows consumers to upgrade tires to a preferred larger size. Nothing looks better than a truck fit with an aggressive stance and that is exactly what ReadyLIFT Smart Suspension Systems (SST) provides! Kit 66-5251 provides 3" of front lift for 2007-2021 Toyota Tundra including TRD / SR5 / Rock Warrior. Kit also includes sway bar drop brackets. NOTE: Not for use on Tundra TRD Pro.