The FASS Fuel System is a high-quality fuel system designed for the 2004 Dodge 2500 with a Cummins Diesel Engine. This system can support both the Dodge Cummins 5.9L and 6.7L engines, providing enough fuel for impressive horsepower ranging from 900 to 1200. Machined from 6061 T-6 billet aluminum, this fuel system is built to last. The bulkhead fittings serve as both a suction and return tube, ensuring proper fuel flow. With proper installation, you can safely operate your vehicle even when the fuel tank is below 1/8 full. This system fits most Dodge 2500 models from 2004 through 2004 with a Cummins Diesel engine.