Enhance the performance of your Chevy or GMC with these durable 01-04 LB7 Duramax Upper and Lower Valve Covers. Made with high-quality materials, these valve covers ensure improved engine functionality and add a sleek touch to your vehicle. They fit perfectly with Chevrolet brands and are specifically designed for Valvetrain Components. Upgrade your car with these valve covers that are perfect for Engines & Engine Parts and are compatible with Car & Truck Parts & Accessories. Get your hands on a pair of these valve covers for a seamless installation and a superior performance.