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Holley EFI Fuel Pressure Regulator

Holley EFI Fuel Pressure Regulator

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The Holley EFI Fuel Pressure Regulator is a precision adjustable fuel metering device designed to work on all naturally aspirated EFI, turbo and supercharged applications like vehicles that run in the Pro Street, Pro Import and Outlaw classes. This is a 2 port 1:1 boost compensating return style regulator that is adjustable from 15-65 PSI + boost reference and is designed to be used in conjunction with any electric EFI fuel pump.
Features built in gauge port, mounting bracket, two AN -8 O-ring fittings and a AN-6 O-ring return fitting.
All racing regulators come Black hard anodized for ultimate durability.


  • Designed to regulate high fuel demands for naturally aspirated EFI, turbo, supercharged and NOS race applications.
  • Engineered to regulate extreme flow volumes generated by racing fuel systems.
  • Allows adjustment from 15-65 PSI + boost reference.
  • Precision CNC machined 6061 T-6 Billet aluminum.
  • -8AN & -6AN O-Ring style fittings included to adapt to steel braided fuel lines.
  • Includes detailed installation instructions.

  • 1 Product

    EFI Fuel Pressure Regulator

    Holley 512-504-5 - Holley EFI Fuel Pressure Regulator
    EFI Fuel Pressure Regulator
  • 15-65 PSI + Boost Reference
  • FREE
    Order Today Ships 05/31/16

    1 Product