Holley 12-842 HP Billet Carbureted By-Pass Fuel Pressure Regulator

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 12-842 fuel pressure regulator features 3/8" NPT in/out ports and a 3/8 NPT return port.

• 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
• Utilizes a idle bleed for precise control of idle pressure
• Used in systems with a return line back to tank
• Use with electric pumps only
• One 3/8" NPT inlet, one 3/8" NPT outlet and one 3/8" NPT return (or bypass)
• 1/8" NPT gauge port
• Comparable and interchangeable with popular Holley® 12-803BP regulator
• Mounting bracket included

Installation Instructions (PDF)