Fitment: Fits Toyota Tundra 1999-2006 ? Description: 100% Brand New,never been used This kit comes with new fabricated rear lift blocks and longer U bolts. Fabricated lift blocks will out last cast iron and will far outlast solid aluminum rear lift blocks. These rear lift blocks are also powdercoated for a long lasting finish. These are tapered rear blocks so you will keep the correct pinion angle. Color:Black Professional Installation is Highly Recommended No Instruction Included What is a Leveling Kit? .