Aeromotive Adjustable Regulator - 30-120 PSI - .500 Valve - 2x AN-12 Inlets / AN-12 ReturnOur ALL NEW Extreme Flow EFI Regulator now comes with 12 ports! It? s designed for use with Belt or Hex Drive Fuel Pumps. Compact, 2 Port Body with dual ORB 12 inlet outlet ports and one ORB 12 return port. 0. 500? high flow valve seat, able to handle 7 32 GPM Fuel Pumps. Dual springs expand the range of operating pressure while maintaining a low profile regulator with reduced weight. Standard spring (installed) supports 30 75 PSI base fuel pressure.