Holley Performance 12-879 Fuel Injection Pressure Regulator
Holley Performance 12-879 Fuel Injection Pressure Regulator
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Holley

Holley Performance 12-879 Fuel Injection Pressure Regulator

3 stars out of 2 reviews
(3.0)|
2 ratings
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Key item features

  • Adjustable Pressure: Offers a wide adjustment range from 4-65 psi, accommodating both carbureted and EFI applications with an included second pressure spring for higher EFI pressures.
  • Durable Construction: Precision machined from 6061-T6 billet aluminum, featuring a black anodized base and a clear anodized top for enhanced durability and appearance.
  • Return System: Designed for use in fuel systems that incorporate a return line back to the fuel tank, ensuring proper fuel flow management.
  • Versatile Porting: Equipped with one 3/8 inch NPT inlet, one 3/8 inch NPT outlet, and one 3/8 inch NPT return port, along with an 1/8 NPT gauge port.
  • Boost Reference: Features a 1:1 boost reference ratio and includes a fitting for manifold reference, optimizing fuel delivery under varying engine loads.
  • Fuel Compatibility: Compatible with a range of fuel types, including diesel fuel and E85, offering broad application flexibility.
  • Pre-installed Spring: Comes with a 4-15 psi carbureted spring pre-installed, making it ready for immediate use in carbureted setups.
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Columbus, 43215
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3 out of 5 stars
stars2 ratings1 review
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Showing 1-1 of 1 review

Sep 28, 2020
Htl 1
1 out of 5 stars review

Not good

Bought this thing after being told to buy it for my application. This is not a good regulator if you want to maintain a 4 - 6 psi range. You'll never get below 12 psi. This is because they have put an office in the return line that is 1/8" . After calling Holley and discussing this with them , they were able to tell me the office should be .231" . This is a lot bigger then what was in there. I sent two back. I finally went with another regulator.

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