1999 2018 Toyota Tundra Rear Square U Bolt Bolts 2" Blocks Block Kit eBay Amazon.com: 2" Rear Lift Blocks Kit Compatible with 1999 2022 Ford F250 STEALTH HD TOYOTA TUNDRA 2007 2021 U BOLT FLIP KIT 2ND GEN TUNDRA Zone 2" Lift Rear Block & U Bolt Kit OK4WD For 1999 2006 Toyota Tundra 3" Front and 1.5" Rear Lift Kit w Diff. Tuff Country P N 97079 block kit includes lift blocks and u bolts designed to raise the rear of your Toyota Truck. Installation is done by inserting the cast lift blocks between the factory rear leaf springs and axle. Extended zinc plated rear u bolts designed specifically for the Toyota Truck are used to replace the factory u bolts. Details: Rear Block and U Bolt Kit Lifts the rear of your vehicle 3 inches Maintains a factory ride Custom made for the application Lift blocks are constructed of cast iron Blocks are tapered to eliminate or reduce driveline vibration Zinc plated corrosion resistant extended u bolts Simple Bolt on Installation Made In The USA Sold As A Kit Fits: 1999 2006 Toyota Tundra 4WD Installation Notes: Designed for rear axles only. Never use lift blocks with a front axle On most applications factory length shocks must be replaced with extended length shocks when installing rear blocks 2 inches in height or taller Tech Specs: Amount of Lift: 3 Inches Rear Lift Blocks Tapered: Yes Lift Block Dimensions: 3 Inch H x 2. 5 Inch W x 4. 75 Inch L U Bolt Dimensions: 9 16 Inch x 2. 5 Inch x 10. 625 Inch Square Includes: 2) 3 Inch Cast Iron Lift Blocks, 4) Rear Axle U bolts, 1) Hardware Bag (nuts and washers)