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Holley (R) Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley (R). 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" NPT in/out ports.
Features:
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 (R) 12-803 regulator
Mounting bracket included
Street/Strip Carbureted Applications Two PortAdjustable from 4.5 to 9 PSI
Made in the USA!
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Manufacturer
Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors power every NASCAR Sprint Cup team and every NHRA Pro–Stock champion. Holley's products include performance fuel pumps, fuel injection, intake manifolds, cylinder heads & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies, Hooker Headers, Flowtech Headers, NOS, Weiand, or Earl's, Holley products can give you the edge you need over the competition.
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