What kind of fuel can I use with this pump?

This pump is rated for use with gasoline and ethanol-blended fuels such as E85 and E90. Using 100% ethanol fuels may shorten the pump's lifespan.

What are the flow rates at different pressures?

The pump flows 400 LPH (105 GPH) at 40 PSI, 340 LPH (90 GPH) at 73 PSI, and 270 LPH (71 GPH) at 120 PSI. Detailed flow curves are available from the manufacturer.

Can I use this pump in California?

No, this fuel pump is not CARB approved and cannot be shipped to California.

AEM 400LPH High Pressure Fuel Pump 50-1009

Name: AEM 400LPH High Pressure Inline Fuel Pump - M18x1.5 Female Inlet to M12x1.5 Male Outlet
Brand: AEM
Price: 201.78 USD
Availability: InStock

AEM 400LPH High Pressure Inline Fuel Pump - M18x1.5 Female Inlet to M12x1.5 Male Outlet

$201.78

AEM's 400LPH fuel pump supports over 1200 HP naturally aspirated and 860 HP with boost. It has an M18x1.5 female inlet and M12x1.5 male outlet.

Key Features

Supports over 1,200 HP naturally aspirated — handles significant power demands.
Supports 860 HP at 30 psi boost — suitable for forced induction setups.
Flows 400 LPH at 40 PSI — provides ample fuel volume for high-output engines.
M18x1.5 female inlet and M12x1.5 male outlet — common fitting sizes for easy integration.
Compatible with E85 and gasoline — versatile fuel support.
Standard "044 Style" envelope — fits existing mounting locations.

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Product Details

AEM's 400LPH High Flow, High-Pressure Fuel Pump (AEM 50-1005) is capable of supporting over 1,200 HP normally aspirated and a whopping 860 HP at 30 psi boost!* It flows 400LPH (100 gph) at 40 PSI, 340LPH (90 gph) at 73 PSI, and 270LPH (71 gph) at 120 PSI. Complete flow curves from 35 to 120 PSI and current draw vs. fuel pressure charts are available in the Specs tab.The 400lph Metric High-Flow Inline Fuel Pump has an M18X1.5 female inlet and M12x1.5 male outlet. It utilizes the industry standard "044 Style" envelope. It is capable of supporting over 1,200 HP normally aspirated and a whopping 860 HP at 30 psi boost!* It flows 400lph (105 gph) at 40 PSI, 340 lph (90 gph) at 73 PSI, and 270 lph (71 gph) at 120 PSI.The AEM 400LPH AN Fittings High Flow Fuel Pump is rated for use with ethanol-blended fuels, (E85/E90) and all types of gasoline, but pump life will be diminished if used with 100% ethanol fuels.