Aeromotive 13140 Aluminum A1000 Gen-II EFI Fuel Pressure Regulator. 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. This product is not legal for sale or use on emission-controlled vehicles except when used as a direct replacement part matching OEM specifications. 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-08 inlet/outlet ports. (1) ORB-06 return port. Regulator Pressure (psi): 40-75. Boost/Vacuum Reference Port: Yes. Boost/Vacuum Rise Ratio: 1:1. Regulator Inlet Size: -10 AN. Inlet Attachment: Female straight cut O-ring. Regulator Outlet Size: -10 AN. Outlet Attachment: Female straight cut O-ring. Return Fitting Size: -6 AN. Return Attachment: Female straight cut O-ring. Regulator Finish: Black anodized. Mounting Bracket Included: No.