Brand: AEM Electronics Manufacturer's Part Number: 25-304BK Part Type: Fuel Pressure Regulators Product Line: AEM Electronics Billet Adjustable Fuel Pressure Regulators Automotive Fittings Part Number: AVM-25-304BK UPC: 840879020095 Regulator Pressure (psi): 20-60 Regulator Style: Return Regulator Location: Fuel rail mount Boost/Vacuum Reference Port: Yes Boost/Vacuum Rise Ratio: 1:1 Gauge Port: No Inlet Quantity: 1 Regulator Inlet Size: -6 AN Inlet Attachment: Female threads Outlet Quantity: 1 Regulator Outlet Size: Stock Outlet Attachment: Stock Return Attachment: Stock Fittings Included: No Regulator Material: Aluminum Regulator Color: Black Rebuildable: Yes Mounting Bracket Included: No Remanufactured: No Quantity: Sold individually. Description: These billet aluminum AEM Electronics fuel pressure regulators can support engines of up to 1,000 hp. Featuring replaceable discharge ports to match your fuel pump output, they're adjustable from 20 psi up to the maximum pump capacity rating. AEM Electronics billet adjustable fuel pressure regulators are available in a variety of colors for a variety of applications.