Walbro 450lph In-Tank Fuel Pump High Pressure Version | F90000274

This is the high pressure 450lph fuel pump by Walbro (F90000274). This fuel pump does not come with an install kit and is sold separately. We recommend this install kit if you need one :)   Operating pressure: 35-112psi Compatible fuel(s): E10 (87, 91 and 93 octane pump fuel), E85, race gas (110-116 octane fuel) Location: Submerged in-tank fuel pump Is this fuel pump right for me? Our recommendation is anything stock-450hp to the tire (on E85), use this pump or the low pressure Walbro 450lph single pump. That way you have ample fuel to make your power goals. Why high pressure over low pressure? The high pressure pump is safer for higher fuel pressure. Most cars run a 43.5psi base pressure, with a rising rate regulator. Often times you'll super high fuel pressure depending on your setup at WOT (wide open throttle). Technical jargon: These fuel pumps are considered Dual Channel Single Stage (DCSS) pumps that are turbine driven. They create fuel pressure by centrifugal force from a turbi