AEM Fuel Pump 400LPH In-line

Description

The AEM 400LPH Fuel Pump is a high-flow, high-pressure performance fuel pump designed for modified and high-horsepower EFI applications. Built for naturally aspirated and forced induction setups, it delivers strong and consistent fuel flow to support demanding street, race, and performance builds. AEM states the pump flows 400 LPH at 40 PSI, 340 LPH at 73 PSI, and 270 LPH at 120 PSI, making it suitable for high-output engines. 

AEM offers this pump in multiple versions, including an inline model and in-tank variants. The inline 50-1005 version supports over 1,200 HP naturally aspirated and about 860 HP at 30 psi boost, while the 400LPH in-tank E85-compatible versions are rated to support 1000+ horsepower on gasoline at 40 PSI. 

Key features include:
• High-flow 400LPH performance
• Designed for EFI high-performance vehicles
• Suitable for turbocharged and naturally aspirated engines
• Reliable fuel delivery under increased pressure
• Available in inline and in-tank configurations depending on application