Holley EFI Filter Regulator - 8AN 175 GPH 10 Micron # HO12-876Fuel Filter, Aluminum, Pressure Regulator, Inline, Return, 59. 5 psi, 10 Micron, Fuel Injection, 175 GPH, 8 AN Ports, Each Pressure Range (psi): 59. 5 psi Regulator Style: Return Regulator Location: Inline Boost Vacuum Reference Port: No Gauge Port: No Inlet Quantity: 1 Regulator Inlet Size: 8 AN Inlet Attachment: Female straight cut O ring Outlet Quantity: 1 Regulator Outlet Size: 8 AN Outlet Attachment: Female straight cut O ring Return Fitting