Find a huge selection of Tire Mounts to mount an oversized spare tire in the bed of your 2006-2007 Chevy/GMC 6.6L LLY/LBZ Duramax. These mounts are designed to be universal and each have their own way of mounting the tire. These mounts are composed of superior-quality materials for a long service life and a secure fit. Tire Mounts from manufacturers like N-Fab, Titan Fuel Tanks, Addictive Desert Designs, and Dorman are known for quality products.