The Aeromotive EFI regulator is designed for medium to high horsepower applications. This regulators features Aeromotive's high-flow design, superb pressure control and legendary durability. The regulator features a base pressure adjustment of 40-75 PSI and fuel pressure rises on a 1:1 ratio with boost. The regulator has 1/8" NPT gauge port and includes (2) ORB-06 inlet ports as well as (1) ORB-06 return port. The Aeromotive regulator is compatible with gasoline or alcohol.*Universally designed for upgraded fuel systems and custom tuning. Base pressure adjustable from 40-75 PSIGasoline and alcohol compatibleFuel pressure rises on a 1:1 ratio with boost1/8" NPT gauge portP/N 13109 provides (2) ORB-06 inlet ports and (1) ORB-06 return port