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Holley 12-846 - EFI Fuel Pressure Regulator. HP Billet. 15-65 PSI. 8AN

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 12-846 fuel pressure regulator features(1) -8 AN O-ring inlet, (1) -8 AN O-ring outlet, (1) -6 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
  • Includes fitting for manifold reference
  • Use with electric pumps only
  • (1) -8 an o-ring inlet, (1) -8 an o-ring outlet, (1) -6 an o-ring return
  • 1/8" NPT gauge port
  • Designed for use with the Holley® HP™ in-line fuel pumps or other high pressure electric pumps where return line is needed
  • Mounting bracket included 
DETAILS
Fuel Pressure: 15-65 psi
Gauge Port: Yes
Inlet Port: -8 AN
Outlet Port: -8 AN
Regulator Style: Return-Style
Return Port: -6 AN
Vacuum or Boost Port: Yes
Available downloads:
Download instructions

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

Holley 12-846 - EFI Fuel Pressure Regulator. HP Billet. 15-65 PSI. 8AN

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 12-846 fuel pressure regulator features(1) -8 AN O-ring inlet, (1) -8 AN O-ring outlet, (1) -6 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
  • Includes fitting for manifold reference
  • Use with electric pumps only
  • (1) -8 an o-ring inlet, (1) -8 an o-ring outlet, (1) -6 an o-ring return
  • 1/8" NPT gauge port
  • Designed for use with the Holley® HP™ in-line fuel pumps or other high pressure electric pumps where return line is needed
  • Mounting bracket included 
DETAILS
Fuel Pressure: 15-65 psi
Gauge Port: Yes
Inlet Port: -8 AN
Outlet Port: -8 AN
Regulator Style: Return-Style
Return Port: -6 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.


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

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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!