Help is just a click away!
Click here to chat with a Speedway Team Member
💬
Online - Chat with us!
Chat
Products to Compare (max of 3)
X
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Customer Service
Since 1952
in
in
  • Expert Tech Support
  • Huge Inventory
  • Fast Shipping
Talk to the Experts. Call 800.979.0122
Shop By
Support
Account
Street Race Truck More... The Toolbox
Add to Cart
$184.95
$149.36
Holley 12-846 HP Billet EFI By-Pass Fuel Pressure Regulator,Adjustable
Holley 12-846 HP Billet EFI By-Pass Fuel Pressure Regulator,Adjustable

Holley 12-846 HP Billet EFI By-Pass Fuel Pressure Regulator,Adjustable

Universal Fit, Gasoline Fuel Type, 40-70 Pressure Range (psi), Aluminum, Anodized, Black

0 Reviews | 0 Answered Questions
In Stock
Ships FREE
Select your vehicle to verify fitment.
Select Vehicle
Holley 12-846 HP Billet EFI By-Pass Fuel Pressure Regulator,Adjustable
Holley 12-846 HP Billet EFI By-Pass Fuel Pressure Regulator,Adjustable
Zoomed In Image
Part # 42512846
Save 19%
$149.36
$184.95
each
Quantity:
Add to Cart
Call to Order
Add to Buildlist
Compare

Details
Reviews
Q&A
Videos & Articles

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

MFG. Part #:
12-846
Fuel Type:
Gasoline
Pressure Range (psi):
40-70
Material Type:
Aluminum
Inlet Fitting:
8 AN O-Ring
Outlet Fitting:
8 AN O-Ring
Finish:
Anodized
Pressure Regulator Style:
Bypass
Return Fitting Size:
6 AN O-Ring
GTIN Code:
090127670507
Color:
Black

Info

HolleyDAYS are here again! SAVE up to 20% on this part and hundreds of other Holley brands during the 2018 HolleyDAYS sale 11/15/18-12/31/18.

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 40-70 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

Installation Instructions (PDF)

Some parts are not legal for use in California or other states with similar laws/regulations

More Like This

Reviews

Q & A

Videos & Articles
  • Now that Project Chevelle is making some real power, we've decided to ditch the old tank, lines, and pump in favor of a new tank and pump from Tanks Inc.
  • In this episode, Project Chevelle takes a big step in its muscle car transformation. It's out with the little old 307 and to the dyno with our new 383 from BluePrint Engines!
  • Looking to replace your fuel level guage or sending unit? It's important that you have the the right guage for the right sender. Speedway has the tools to make the job easy and ensure you get the right parts the first time.

You May Also Like

Suggestions
Error
Note
Ok