aFe DFS780 Fuel Pump Pro Series 03-07 Dodge Diesel Trucks L6 5.9LBillet 6061 T6 Aluminum Manifold: Eliminates porosity concerns with cast aluminum. Contoured CNC Machining Of Manifold Passages: Enhances flow through the manifold to reduce pressure drop due to flow restrictions. Universal Carbon Steel Mounting Bracket: Heavy duty bracket easily mounts with supplied hardware. "Marine Grade" Motor: Protected against dust intrusion and powerful water jets. Helical Bronze Spur Gears: Bronze gears more forgiving of