Holley EFI Fuel Regulator 6AN 12 894 shift knobs and boots 8L V8 1977 1996 49449 FBHB 8L V8 1977 1996 Ford F 150 XLT 300 4 Year Make Model Submodel Engine Size 2002 2003 Mercury Mountaineer 4L V6 Adjustable Yes Brand Holley EFI Emission Code 3 Fuel Type Gasoline Gauge Included No Gauge Port Included Yes Grade Type Performance Inlet Gender Female Inlet Port Diameter 6AN Inlet Type ORB Maximum Pressure 90 PS Minimum Pressure 15 PS Mounting Bracket Included Yes Mounting Type Bolt On Outlet Gender Female Outlet Port Diameter 6AN Outlet Type ORB Port Quantity 5 Pressure Rating 15 90 PS Product Type Fuel Pressure Regulator Rebuildable Yes Style Bypass Vacuum Port Quantity 1 Warning California Proposition 65 Warranty Limited 1 Year Warranty Holley EFI 15 90 PSI Fuel Regulator 6AN Boost Reference 1:1