Walbro GST450K 455LPH F90000267 E85 Compatible Fuel Pump


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The Walbro F90000267 or GST450K is now the best in-tank fuel pump on the market today. The new award winning turbine design produces so much flow rate that it now removes the need for using a twin in-line double fuel pump set-up on high horse-power applications. It's also far lighter, more compact and quieter than a standard fuel pump.

The innovative design of this pump features a single impeller with two parallel rows of turbine blades on a common shaft (like a jet engine). These 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.

All electrical connections must be sealed to be used with E85, therefore this version of the pump has a built in electrical harness with Delphi manufactured packard type connectors.

Please note this is not a vehicle specific pump, therefore it requires modifications to the fuel module and possibly the fuel sender wiring and fuel lines - Professional installation is recommended.

Made in USA by TI Automotive (parent company of Walbro) Please click here for more information.

100% Authentic & Genuine Walbro / TI Automotive E85 Racing In tank 450 LPH high pressure fuel pump 

All pumping components have been validated to OEM Specifications for approved use in E85/Flexi fuel application

Technical Data / Features:

  • Outperforms all current market in-tank fuel pumps
  • Designed for engines up to around 800bhp on 12 volts, 1000bhp on 13.5 volts
  • 455 Litres Per Hour in open flow (L/PH) @13.5 volts
  • Award-winning OE Technology
  • High Pressure High-flow performance
  • OEM technology designed and developed for E85.


  • Length: 131mm (inc. inlet and outlet)
  • Outer Diameter (large body): 50mm
  • Outer Diameter (small body): 39mm
  • Inlet Inner Diameter: 8mm
  • Inlet Outer Diameter: 11mm
  • Outlet Inner Diameter: 5mm
  • Outlet Outer Diameter: 8mm (11mm inc. the 2 push-on barbs)

Packaged Contents:

  • Authentic Walbro #F90000267 / GST450K
  • Walbro Fitting kit

Wiring Kit Contents:

  • 1x Double skinned fuel hose
  • 2x Screw type hose clamps
  • 1x Delphi wire harness
  • 1x Fuel filter with star retaining washer


Our Walbro products are direct from being manufactured in the USA, they are 100% genuine and are stocked in our UK warehouse. TI Automotive is the parent company of Walbro USA, and can be found laser printed on various pumps manufactured by them.

'TI Automotive brings the same level of innovation, quality and performance to its aftermarket products that it does for original-equipment product. That’s why the aftermarket industry’s leading brands turn to TI Automotive for the most complete offering of true, OE-quality fuel system replacement parts'


Please seek professional installation for all fuel delivery items as faulty installations may severely impact the performance and potentially damage your vehicle. Driven 2 Automotive do not accept any liability for loss or damage.

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