Superlift's 3-inch lift kit for the 2007- 2021 Toyota Tundra is a simple solution for adding more height than a leveling kit. Superlift's Upper Control Arm UCA) Lift Kits have a strong, modern die-formed design constructed of solid steel rod, beefy gussets and include a flat mount ball joint cup. Superlift Suspension intentionally over-builds our suspension kits to be the best. The uniquely engineered design adds strength and durability and has bonus features that others do not offer. Superlift's Tundra UCA kit includes pre-installed MOOG ball joints and bushings for long lasting performance. By using the new upper control arm arms, this lift kit offers a better ride quality and performance over traditional torsion key leveling kits.