Aeromotive Inc. is a true high performance aftermarket manufacturer specializing in fuel delivery and fuel delivery components. Utilizing aerospace tolerances and procedures, three generations of track experience, and a meticulous approach to engineering, Aeromotive Fuel Systems has become the absolute pinnacle of performance fuel delivery. P/N 13138: A1000 -06 Gen-II EFI Regulator40-70 PSI EFI Regulator with ORB-06 ports. High Performance, adjustable EFI regulator designed for medium to high horsepower applications. This regulators features Aeromotive's high-flow design, superb pressure control and legendary durability. Engineered for A1000 class and smaller pumps. Gas, ethanol, methanol and diesel compatible. 40-75 PSI adjustable base pressure range. 1:1 vacuum/boost reference capability. 1/8 NPT dedicated gauge port. (2) ORB-06 inlet/outlet ports (1) ORB-06 return port. Recommended Fittings for inlet/outlet and return ports: P/N 15606 ORB-06 to AN-06 for AN-06 fuel line. P/N 15649 ORB-06 to AN-08 for AN-08 fuel line.