Fuelab 585 Series 4-Port Blocking Style Fuel Pressure Regulator - 10AN In/ 6AN Out (58501)

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$298.29 $300.90Instant Savings of 1% ($2.61)

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585 Series 4-Port Blocking Style Fuel Pressure Regulators by Fuelab

The 585xx Series Fuel Pressure Regulator expands the line of Blocking Style (non-bypass) Regulators like our 555xx and 575xx Series, in a Traditional 4-Port Package.

The main seat assembly can be quickly exchanged in case of seat damage, such as debris. The seat assembly can be taken apart further to enable o-ring replacement of the Soft-Seat design. With Dual -10AN Inlet Ports and Four -6AN Outlet Ports (port spread allows for -8AN line size) gives the regulator ability for extremely high flowrateswith a flattened curve for pressure stability through its use of a 1.5 inch diaphragm assembly.


  • Two -10AN inlets and Four -6AN Outlets
  • Gasoline, diesel, methanol, and ethanol fuel compatible
  • Advanced poppet design for smooth regulating capability
  • No creep soft seat
  • Billet Aluminum with anodize per military MIL-A-8625, Type II
  • Fine thread pitch for precise pressure adjustment
  • Versatile mounting bracket and stainless steel hardware
  • 1/8” NPT gauge port with plug for external pressure gauge
  • 1/8” NPT pressure reference port with barbed fitting
  • Backed by a 2-year limited warranty


  • Universal

What's In The Box?

  • 1 - 585 Series Fuel Pressure Regulator
  • Necessary Mounting Hardware
  • Instructions/Manuals (if applicable)
  • Warranty Information




Fuelab 2-Year Limited Warranty

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