REGULATOR DAMPER, STANDARD RANGE 40 70PSI 12 1000 hays 5L V8 1978 Ford E 100 7 V8 1978 1992 5L V8 1978 Ford E 100 Econoline Chateau 460 7 4L V8 1969 Chevrolet K20 Suburban 396 6 Adjustable Yes Brand Holley Emission Code 3 Finish Anodized Black Fuel Type Gasoline Ethanol Methanol E85 Gauge Included No Gauge Port Included Yes Grade Type Performance Inlet Outlet Size 3 4 16 Female O Ring (AN 8) Inlet Gender Female Inlet Port Diameter 8 AN ORB Inlet Port Quantity 1 Inlet Type 8 AN ORB Maximum Pressure 70Pounds per Square Inch Minimum Pressure 40Pounds per Square Inch Mounting Bracket Included Yes Mounting Type Inline Outlet Gender Female Outlet Port Diameter 8 AN ORB Outlet Port Quantity 1 Outlet Type 8 AN ORB Port Quantity 2 Pressure Range 40 70 PSI Product Type Fuel Pressure Regulator Damper Rebuildable Yes Style Billet Aluminum Vacuum Port Quantity 2 Warranty Limited 90 Day Engineered to stabilize pressure pulsations caused by the injectors opening