Aeromotive Marine A1000 Injected Bypass Regulator 13114 - A true performance EFI Regulator designed for medium to high horsepower marine applications. Features Aeromotive's high-flow design, superb pressure control and legendary durability. This pressure control regulator has logged more hours than any other performance EFI marine regulator in the world! Base pressure adjustable from 40-75 PSI. Fuel pressure rises on a 1:1 ratio with boost. 1/8' gauge port included. Provides (2) ORB-10 inlet ports and one ORB-06 return port.