Rough Country's 3.5" Bolt-On Kit offers easy installation and aggressive good looks at an incredible value. Take your truck to new heights with this excellent option for Tundra pickups. This kit features a set of high-quality, tubular Upper Control Arms designed to make alignment adjustments easier and Clevite rubber bushings for enhanced durability. These arms are designed to promote a factory-like geometry by keeping the ball joint at optimum angles after lifting. This design allows for an improved, greater range of motion from the ball-joint, with less stress, wear and tear. Rough Country's 3.5" Bolt-On Kit features N3 Pre-Loaded Coil Spring Front Struts and N3 Rear Shocks, Nitrogen-charged, giving your truck incredible ride-quality both on and off-road. Fabricated rear blocks to provide lift height from front to rear. Once installed, this kit gives your truck plenty of ride height for larger tires while offering a clean, level look from front to rear. This all-inclusive kit comes with everything you need, and installation is a piece of cake compared to other kits on the market! Featuring a 100% bolt-on installation process that requires zero cutting or drilling, this kit can be installed using common tools in a home garage, and allows the truck to be returned to stock at any time if so desired. Backed by Rough Country's Lifetime Replacement Warranty | 3 Years on Struts/Shocks.