Walbro 450LPH E85 In Tank Fuel Pump (F90000267)

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450LPH FLEX (E85 Ethanol Safe) Fuel Pump by Walbro

Outperforms all current market in-tank fuel pumps. Designed for engines with more than 750 HP. Award-winning OE technology. High-pressure, high-flow performance OEM technology designed and developed for E85 Ethanol.

Dual channel turbine design for maximum efficiency under high-pressure and high-temperature applications. 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 percent higher than conventional pumps. Made in USA by TI Automotive (parent company of Walbro)


  • Designed for high performance engines exceeding 750hp
  • Components have been validated to OEM specifications for approved use in E85/flex fuel applications
  • Dual channel turbine design for maximum efficiency under high pressure and high temperature applications

Please Note: The F90000267 requires modifications to system wiring, fuel lines and the fuel module, and should be professionally installed.


  • Universal


  • Horsepower: 750
  • Flow Rate (lph): 450
  • Flow Rate (gph): 119
  • Pressure (psi): 50
  • Pressure (kPa): 87
  • Max System Pressure (psi): 112
  • Max System Pressure (kPa): 600
  • Inlet Diameter: 14mm

What's In The Box?

  • 1 - Walbro 450LPH E85 Pump



  • Manufacturer Standard Warranty

Customer Reviews

Based on 6 reviews
Legit pumps

Always buy from a trusted source like here so you can get real Walbro Pumps and not them china reps .

Luke Troumbly
Fuel pump review

great product fast shipping

Walbro the best

Easy to install no issues with this on 8th gen civic si

Easy to install, works great

Easy to install in 02 WRX hangar, almost fit like factory but a few zip ties and a rubber boot and this will be secure and operate well.

Larry Mcfarland

Arrived on time great customer service. I have not installed fuel pump yet but I will update my review about that at a later date.