Adjustable Billet By Pass Regulator 3 8 NPT Kit 12 879KIT air bypass valves Designed to clear OEM A C mr gasket Designed to clear OEM A C Brand Drake Muscle Cars Finish Anodized Material Aluminum Mounting Hardware Included Yes Product Type Hood Pin Warning California Proposition 65 They have 3 8 NPT port sizes to adapt to your new or existing fuel lines Adjustable Yes Brand Holley Color Black Emission Code 5 Fuel System EFI Carb Fuel Type Gasoline Gauge Included Yes Gauge Port Included Yes Grade Type Performance Inlet Gender Female Inlet Port Diameter 3 8Inch Inlet Port Quantity 1 Inlet Size 3 8" NPT Inlet Type NPT Material Aluminum Maximum Pressure 65Pounds per Square Inch Minimum Pressure 4Pounds per Square Inch Mounting Bracket Included Yes Mounting Type Inline Outlet Gender Female Outlet Port Diameter 3 8Inch Outlet Port Quantity 2 Outlet Size 3 8" NPT Outlet Type NPT Port Quantity 2 Product Type Fuel Pressure Regulator Rebuildable Yes Return Size 3 8 inch NPT Style Bypass Vacuum Port Quantity 1 Warning California Proposition 65 Warranty Limited 90 Day