G&R Diesel LML S400 Single Turbo Kit for Duramax. This kit replaces the factory VNT type turbo with a dependable S400 turbo which dramatically increases dependability and performance. These kits are available in a variety of sizes to meet your specific needs. ** Turbo is sold separately **
Our Billet Aluminum Bottom Sump with Integrated Fuel Return System completely eliminates the need to run the return of your aftermarket fuel pump to the top of the tank or cut into the fuel filler neck, therefore cutting install time tremendously!