Aeromotive Fuel Pressure Regulator, A1000 Gen II, With Boost Control, 1-Port. 6 AN Female Inlet/Outlet, -6 AN Female Return, 40-75 psi. Gasoline, Alcohol, Aluminum, Black Anodized, Each. This next generation A1000 EFI regulator features legendary Aeromotive flow and pressure control in a new body, profiled for reduced size and weight. This new, patented design features a deep, bright-dip black anodized finish on the cap and base, with AN spec ORB (o-ring boss) style inlet/outlet and return ports. On the street and at the track, A1000 regulators have logged more miles, laps and passes than any other performance EFI regulators in the world! Features: Base pressure adjustable from 40-75 PSI. Gasoline, ethanol, methanol & diesel compatible. Fuel pressure rises on a 1:1 ratio with boost.