AEM Adjustable Fuel Pressure Regulator Rebuild Kit. Includes: Diaphragm, Single Large Return Orifice & O-Ring For: 25-300BK 25-301BK 25-303BK 24-304BKAEM Adjustable Fuel Pressure Regulator...

AEM replacement parts for its adjustable fuel pressure regulators include a rebuild kit that includes a diaphragm, interchangeable discharge ports and O-ring, vacuum fitting and multiple barb fitting...

We love the AEM Fuel Pressure Regulators because they are very affordable, they come with all the hardware you need, and they just work. An adjustable fuel pressure regulator is a must when you are...

This fitting will turn the return line 90 degrees out of the exit of the regulator, and turn it into a barb fitting for a hose and clamp. Adjustable fuel pressure regulator 90 degree return fitting...

This harness allows you to connect your AEM wideband O2 air/fuel ratio sensors to the Infinity's on-board wideband UEGO controllers (72" length).