The Walbro F90000274 450LPH fuel pump is a high performance in-tank fuel pump designed for high horsepower applications running gasoline or ethanol blends.

Featuring Walbro’s dual channel turbine design, this pump delivers up to 465 liters per hour of fuel flow while maintaining excellent efficiency and reliability under high pressure conditions.

The F90000274 version uses a higher pressure relief valve than earlier Walbro 450 pumps, making it ideal for demanding fuel systems that require higher operating pressures.

Compatible with gasoline and E85, this pump is commonly used in performance builds supporting 750+ horsepower depending on fuel system configuration.

Specifications

Flow Rate: 465 LPH @ 40 PSI  
Voltage: 13.5V  
Outlet Size: 10mm (3/8")  
Upper Body Diameter: 39mm  
Lower Body Diameter: 50mm