Find a huge selection of Tire Mounts to mount an oversized spare tire in the bed of your 2007.5-2010 Chevy/GMC 6.6L LMM Duramax. Each unit is made from high quality materials for a secure mount and long service life. Engineered to be universal and to work on most applications, these mounts each feature their own unique mounting solution. Companies like Addictive Desert Designs, N-Fab, Titan Fuel Tanks, and Dorman are known for their high-quality Tire Mounts.