General Description Built-in Bypass For Stock Fuel System: Allows vehicle to bypass the DFS780 pump under light loads, reducing wear & tear on the DFS780. Also allows engine to run even if the DFS780 unit were to fail. Clear High-Impact Polycarbonate Sight Glass: Allows visual inspection of fuel. Helical Bronze Spur Gears: Bronze gears more forgiving of contaminants than steel gears. The helical spur gear design runs quieter than straight cut gears. Billet 6061-T6 Aluminum Manifold: Eliminates porosity concerns with cast aluminum. "Marine Grade" Motor: Protected against dust intrusion and powerful water jets. Plug & Play Installation: Supplied harness attaches directly to battery and utilizes Deutsch weather-proof connectors. No cutting or modifications of the stock fuel lines required. Vehicle can easily be returned to stock. Boost Activated Pump Engagement: Supplied preset boost switch activates pump only under load, reducing wear & tear on the DFS780. PEEK Bearing Wear Surfaces: The DFS780 spur gears ride on PEEK (Polyether Ether Ketone) bearing surfaces to reduce both noise and wear. Contoured CNC Machining Of Manifold Passages: Enhances flow through the manifold to reduce pressure drop due to flow restrictions. Direct Bolt-on Steel Mounting Bracket: Heavy duty bracket mounts to the frame and utilizes existing hole to secure. Fuel Pressure Gauge Port: 1/8 NPT port allows customer to attach an external pressure gauge to monitor fuel pressure. O.E Quality Viton Seals: Compatible with diesel and biodiesel fuels. Features Clear high-impact polycarbonate sight glass for visual inspection of fuel Helical spur gears runs quieter than straight cut gears "Marine Grade" motor protects against dust and water 187 GPH @ 8-10 psi Flow Rating Contoured CNC manifold enhances flow Fuel pressure gauge port O.E. quality Viton Seals Typical install is 2 hours Built in the U.S.A.