Fuelab 575 Series Mini Blocking Style Fuel Pressure Regulator - 6AN In/Out (57501)

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$219.14 $221.05Instant Savings of 1% ($1.91)

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575 Series Mini Blocking Style Fuel Pressure Regulators by Fuelab

FUELAB® 575 Series Fuel Pressure Regulators are true precision instruments designed to regulate fuel.

These units feature an advanced aerospace poppet design for smooth regulating capability. We’ve also incorporated a no-creep soft seat that’s methanol and E85 compatible. Models adjustable from 1 psi up to 65 psi. Perfect for single and multi-stage nitrous applications!


  • -6AN inlet and dual -6AN outlet
  • A true precision instrument to regulate fuel
  • Advanced poppet design for smooth regulating capability
  • Gasoline, diesel, methanol, and ethanol fuel compatible
  • Methanol compatibility with a 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


  • Universal

What's In The Box?

  • 1 - 575 Series Mini Fuel Pressure Regulator
  • Necessary Mounting Hardware
  • Instructions/Manuals (if applicable)
  • Warranty Information




Fuelab 2-Year Limited Warranty

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