Holley Fuel Regulator Dominator Billet 4.5-9 PSI Each #12-847

Out of stock


Hot Street/Race Carbureted Applications

Two Port

Adjustable from 4.5 to 9 PSI

PART# 12-847

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 12-847 fuel pressure regulator features (1) -10 AN O-ring inlet, (1) -10 AN O-ring outlet, (1) -8 AN O-ring return.


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 with a return line back to tank

Use with electric pumps only

(1) -10 an o-ring inlet, (1) -10 an o-ring outlet, (1) -8 an o-ring return

1/8" NPT gauge port

Designed for use with the Holley® Dominator™ in-line fuel pumps or other high pressure pumps where return line is needed

Mounting bracket included

Brand Holley

Color Black Anodized

Emission Code 5

Fuel System Carbureted

Fuel Type Gasoline / Diesel / E85

Material Aluminum

Pressure Range 4.5-9 PSI

Product Type Regulator

Return Size 8 AN O-Ring

Style Bypass

More Information
Part Type Fuel Pumps, Regulators & Lines
Product Line Air & Fuel Delivery
Brand Holley
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