Aeromotive Regulator, Adjustable, EFI, Black, (2)-10 inlets, -6 return (Black Version of 13101) - 13128Performance EFI regulator designed for medium to high horsepower applications. This regulators features Aeromotives high flow design, superb pressure control and legendary durability. On the street and at the track, this pressure regulator has logged more miles, laps and passes than any other performance EFI regulator in the world! Base pressure adjustable from 40 75 psi Gasoline, ethanol, alcohol and diesel compatible. Fuel pressure rises on a 1: 1