Holley Performance 12-704 Fuel Pressure Regulator
Holley Performance 12-704 Fuel Pressure Regulator
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Holley Performance 12-704 Fuel Pressure Regulator

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Key item features

  • Adjustable Pressure: Offers adjustable fuel regulation from 4.5 to 9 psi, pre-set at the factory for ease of initial installation.
  • Port Configuration: Features one 1/2" NPT inlet and two 1/2" NPT outlet ports for versatile plumbing.
  • Flow Restriction: Incorporates a .437" (7/16") restriction for precise fuel flow control.
  • Included Hardware: Comes with mounting hardware and AN style fittings, specifically one 1/2 NPT to AN -8 and two 1/2 NPT to AN -6.
  • Fuel Compatibility: Designed to be compatible with alcohol fuels, expanding its application range.
  • Application Focus: Suitable for Street/Strip Carbureted Applications, ensuring precise fuel pressure control to prevent flooding or drivability issues.
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4 out of 5 stars
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Showing 1-2 of 2 reviews

Nov 2, 2015
Sodbuster
5 out of 5 stars review

Works and flows great !

I bought this to replace the 803 Holly regulator. The new 704 flows way more fuel and holds a more consistent pressure than the old. More more pressure drop at full throttle.

Review from jegs.com
Helpful?27VTCGS1RR8150027843
Sep 10, 2020
Dallas 440
3 out of 5 stars review

making a noise

I hooked everything up and when i turned the fuel pump on the regulator makes a rough rattling noise and the fuel gauge fluctuates.

Review from jegs.com
Helpful?27VTCGS1RR8150027843