Mishimoto MMBK-RAM-03BK Dodge 5.9L Cummins Factory-Fit Boot Kit, 2003-2007, Black Direct fit for the 20032007 Dodge Ram 5.9L Cummins Five layers of 100% silicone for maximum durability and blowout prevention DuraCore technology provides resistance to heat, pressure, fuel, and oil Includes high-quality constant-tension T-bolt clamps Mishimoto Lifetime Warranty