Product Summary

Universal Fit, 4.5-9 Fuel Pressure Rating (psi)

  • Designed to regulate pressure from 4-1/2 to 9 PSI
  • Works with low pressure carbureted systems as well
  • Kit includes mounting hardware and AN style fittings
  • It is alcohol compatible and has a .437" (7/16") restriction
  • This fuel pump regulator has one 1/2" NPT inlet and two 1/2" NPT outlet ports
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Key Specs

MFG. Part #12-704
BrandHolley
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Need To Know

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Holley 12-704 Details

This universal fuel regulator regulates pressure from 4-1/2 to 9 PSI. This fuel pump regulator has one 1/2" NPT inlet and two 1/2" NPT outlet ports. Works with low pressure carbureted systems and as an alcohol fuel regulator.

  • Includes mounting hardware and AN style fittings
  • Alcohol compatible
  • .437" (7/16") restriction
  • Includes 1 each -8 AN and 2 each -6 to 1/2" NPT fittings

Item Details

4-1/2 to 9 psi

Charts

Holley 12-704 Specifications

KEY SPECS
MFG. Part #12-704
BrandHolley
GENERAL
Fuel Pressure Rating (psi)4.5-9
Inlet Quantity1
Outlet Quantity2
Fittings IncludedYes
Sold in QuantityEach
GTIN Code090127116128

Ratings & Reviews

5

3 Reviews

Overall Assessment

Customers highly appreciate the product for its high quality and practicality. A key feature is its ability to properly regulate fuel pressure. The material quality of this pressure regulator is also praised, and the installation process noted as easy, reflecting the usability aspect. Existing customers would readily recommend this product over competitors given its excellent performance.

5

3 reviews

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Worked fine excellent part and sales people

5.0

4 years ago

Stoney

Virginia

Verified

To regulate fuel pressure

Would Recommend

Great item

5.0

8 years ago

Dougo

N/e okla

Verified

Always great to deal with

excellent product

5.0

11 years ago

Modracer

Sandstone mn

Verified

pressure regulator works great. easy to install

Would Recommend

Showing 3 of 3 reviews

Questions & Answers

4 Questions • 4 Answers

What is the max inlet pressure ?

by Jeremy

• 7 years ago

1 answer

It says this is a non-return regulator that is what I need I need 10an.male fitting in and a male 10an male fitting out. And a plug for the other Outlet

by Thomas

• 10 years ago

1 answer

Says to use a return line in the instructions. Was wondering where the return line hooks up to regulator? It says to block off one outlet port using this product number with a single carburetor but notes a return line is needed and there is a port but I don't see one anywhere. Thanks

by D

• 10 years ago

1 answer

If I need 9.5 to 10.5 PSI at WOT, will this regulator work?

by imca37

• 11 years ago

1 answer

4 of 4 questions shown

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