Holley - 12-840

Fuel Pressure Regulator - Street / Strip - 4.5 to 9 psi - In-Line - 3/8 in NPT Inlet - 3/8 in NPT Outlet - Aluminum - Natural / Black Anodized - Diesel / E85 / Gas - Each

HP Billet Fuel Pressure Regulator; 4.5-9 psi; 3/8 in. NPT Ports; Carbureted; Non-Return Style; Gasoline/Diesel/E85; Black Anodized;

Holley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061-T6 billet aluminum for strength and durability. They feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks. The Holley 12-840 fuel pressure regulator features 3/8 in. NPT in/out ports.

• Adjustable from 4.5-9 psi for precise fuel pressure adjustments
• Constructed of billet aluminum with a black anodized base and clear anodize top for good looks
• Used in systems where a return line is not needed
• Use with electric or mechanical pumps
• One 3/8" NPT inlet and two 3/8" NPT outlets
• 1/8" NPT gauge port
• Comparable and interchangeable with popular Holley® 12-803 regulator
• Mounting bracket included