• Aeromotive Part Number 13301: A must - have universal bypass regulator! • Versatile Use: Ideal for EFI or carbureted engines, suitable for both street and strip applications. • Adjustable Pressure: Set base pressure from 3 to 20 PSI with the standard spring or 20 to 60 PSI with the high - pressure spring (included). This Aeromotive regulator offers full - flow and rock - steady fuel pressure. It can regulate any fuel pump between 100 and 250 GPH. The fuel pressure rises on a 1:1 ratio when referencing boost. All ports are 3/8' NPT, with one inlet, three outlets on the main body, and one return port on the bottom. It's compatible with gasoline, ethanol, alcohol, and diesel. The bypass design provides ultimate dynamic fuel pressure control. (Requires a return line to be installed from the bottom of the regulator to the top of the tank.) View Installation Instructions

This Aeromotive bypass regulator is great for car enthusiasts who work on both daily street cars and high - performance strip vehicles. Whether you're using EFI or carbureted engines, it's the perfect fit. It can handle fuel pumps with a flow rate between 100 and 250 GPH. The ports are 3/8' NPT, with one inlet, three outlets on the main body, and a return port at the bottom. You can adjust the base pressure according to your needs, either with the standard spring for lower pressures or the high - pressure spring for higher ones.