<ul> <li><span>Material: Aluminum alloy,silicone</span></li> <li><span>Aluminum material can resist corrosion and rust for a long time and has good heat dissipation.</span></li> <li><span>Fits Ford 6.0L diesel engines</span></li> <li><span>This kit is a high flow type</span></li> <li><span>intended for off road use</span></li> <li><span>Professional Installation is Highly Recommended (No Instruction Included)</span></li> <li><span>Rubber has blue and black, blue and black random hair, and there is no difference, just the color difference.</span></li> </ul>