AEM 400LPH High Pressure Fuel Pump -6AN Female Out, -10AN Female In

Worn-out fuel pumps cause lean conditions and engine damage. This AEM 400LPH pump is a direct fix for high-performance EFI vehicles.

Key Features

• Supports over 1,200 HP naturally aspirated and 860 HP at 30 psi boost — handles serious power demands.
• Flows 400 LPH at 40 PSI, 340 LPH at 73 PSI, and 270 LPH at 120 PSI — consistent fuel delivery across a wide pressure range.
• Rated for E85/E90 and gasoline — versatile fuel compatibility.
• -10 AN female inlet and -6 AN female outlet — standard connections for easy plumbing.
• Utilizes the industry standard "044 Style" envelope — fits common mounting locations and replacement applications.
• Includes a -6 AN to -8 AN discharge fitting with a high-pressure check valve — essential components for proper function.