Holley Dominator Billet Fuel Pressure Regulator – 4.5-9 PSI

Holley Dominator Billet Fuel Pressure Regulator 12-847 4.5-9 PSI – -10AN O-Ring Inlet/Outlet – -8AN O-Ring Return – Carbureted Bypass Style – Black/Clear Anodized

CNC Machined

Black Bright Dip Anodized Body

Clear Bright Dip Anodized Ends

Corrosion Resistance And Good Looks

Feature A Gauge Port

Include Mounting Plate For Easy Installation

1/8″ NPT Gauge Port

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM’s popular LS engine are dominating the LS scene as well. Holley’s products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!

Regulator is compatible with Diesel #1 and Diesel #2.

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

Product Description:

Fuel Pressure Regulator

Dominator Billet

4.5 to 9 psi

In-Line

10 AN Female O-Ring Inlet

10 AN Female O-Ring Outlet

8 AN O-Ring Return

1/8 in NPT Port

Bypass

Aluminum

Black / Clear Anodized

Diesel / E85 / Gas

Sold Individually

For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.