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Holley 12-848 - EFI Fuel Pressure Regulator. Dominator Billet. 15-65 PSI. 10AN

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 12-848 fuel pressure regulator features(1) -10 AN O-ring inlet, (1) -10 AN O-ring outlet, (1) -8 AN O-ring return.

  • Adjustable from 15-65 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
DETAILS
Fuel Pressure: 15-65 psi
Gallons Per Hours: N/A
Gauge Port: Yes
Inlet Port: -10 AN
Outlet Port: -12 AN
Regulator Style: Return-Style
Return Port: -8 AN
Vacuum or Boost Port: Yes
Available downloads:
Download instructions

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Holley 12-848 - EFI Fuel Pressure Regulator. Dominator Billet. 15-65 PSI. 10AN

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 12-848 fuel pressure regulator features(1) -10 AN O-ring inlet, (1) -10 AN O-ring outlet, (1) -8 AN O-ring return.

  • Adjustable from 15-65 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
DETAILS
Fuel Pressure: 15-65 psi
Gallons Per Hours: N/A
Gauge Port: Yes
Inlet Port: -10 AN
Outlet Port: -12 AN
Regulator Style: Return-Style
Return Port: -8 AN
Vacuum or Boost Port: Yes

Available downloads:
Download instructions

0 of 0 reviews

Average rating of 0 out of 5 stars

Leave a review!

Share your experiences with other customers.


There are no installation notes for this product.

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Holley® has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy 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 & 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!