Walbro #TIA485-2 Fuel Pump, Electric, In-Tank, Universal, 450 lph, 119 gph, 100 psi, 11mm Nipple Inlet, 10mm Hose Barb Outlet, Includes Installation Kit, Kit. Walbro has released a high-performance aftermarket version of its dual-channel, single-stage (DCSS) 39/50 fuel pump for engines with more than 500 HP. The innovative design of the DCSS 39/50 features a single impeller with two parallel rows of turbine blades. The blades feed two high-pressure pumping channels, as opposed to a conventional single-stage pump that uses an impeller with a single row of blades at its outer edge. This innovative design results in improved hot fuel flow, as well as minimal noise and current use, resulting in efficiency that’s 20% higher than conventional pumps. Authentic Walbro products are made in the USA!Notes: Includes F90000267 fuel pump and installation kit, Maximum pressure 100 psi, determined by fuel pressure regulator. Compatible with gasoline or E85. Requires modifications to wiring, fuel lines, and fuel module.