2x High-Strength Steel Strut Spacers4x High-Strength Steel Strut Shim Plates4x Threaded Front Bump Stop Extenders2x High-Strength Steel Rear Lift Blocks4x Heavy Duty Square Bend U-BoltsInstallation Hardware and Instructions? This kit is NOT compatible with Rock Warrior and TRD Pro Series.? Does NOT Fit models equipped with TRD Suspension Package.We are proud to offer you our NEW 2.5" to 3" Leveling Suspension Kit specifically designed to lift and level the front of your Tundra pickup truck, and give it that aggressive and sleek stance that will turn heads. Each kit includes two sets of 0.25" spacer shims which, in addition to the 2.5" strut spacers, can be used to fine tune your lift height up to a full 3" of lift.Add or remove the spacer shims to achieve the optimal lift height for your Tundra depending on desired outcome: ? reduce the amount of rake ? level the front with the rear ? achieve a Carolina squat lookManufactured from High-Strength Steel, our Lift Spacers are precision laser cut & welded through a series of computer controlled processes to ensure an exact fit and offer excellent strength and resistance to deformation, even under the roughest driving conditions.For lifting the rear of your vehicle we included our New Heavy-Duty Steel Lift Blocks and U-Bolts Kit. Constructed from High Strength Steel, precision laser cut and welded, with 9/16th Center Pin, these blocks can withstand an astonishing load of almost 60,000lbs with no yielding or deformation observed! We've also made sure the extended U-bolts we provide rise to expectation! Supreme Suspensions High-Strength Steel U-Bolts are bent & threaded to exact specifications, and finished with an Electrostatic Powder Coating to ensure a superior level of protection and corrosion resistance that exceeds today's automotive industry standards.NOTES: An alignment is always recommended after altering the height of your vehicle.