ReadyLIFT offers a 6" Lift Kit suitable for 2007-2021 Toyota Tundra Trucks, providing a substantial increase in ground clearance compared to competitors. It's important to note that this kit is not compatible with 2015-2021 Tundra TRD Pro models with Bilstein coilover shocks. Additionally, it is designed to work exclusively with factory 20" wheels and is not compatible with factory 18" wheels, although aftermarket wheels are acceptable. The kit is not compatible with the TRD rear sway bar option. The 44-5675 6" lift kit includes several key features to enhance performance and maintain proper suspension geometry. It incorporates robust laser-cut, CNC-bent, welded, and boxed sub-frame drop assemblies, increasing ground clearance by 2" compared to competitors. Precision-designed iron knuckles with CNC machining ensure a precise fit while retaining factory tie rods with minor trimming. The 6" lift is achieved through an innovative offset spacer design, which maintains the factory ride and does not increase track width, preventing the front tires from protruding further than the rear tires. This design allows the use of stock 20" wheels and spare tires if needed. The kit also includes a differential drop kit for easy installation, correct positioning of the differential to maintain CV axle and driveline angles, and bump stop extensions. Sway bar frame mount brackets are included to retain the front sway bar in its factory position, contributing to excellent driving and handling characteristics. When it comes to tire size, it is recommended to use a maximum tire size of 35" on a 9" wheel with a +25 offset to minimize the risk of rubbing. Please note that front mud flaps may need to be removed to accommodate larger tires.