FREE SHIPPING & HANDLING!*                           Order by 11 PM EST for Same Day Shipping!

Holley 512-504-5 - Holley EFI Fuel Pressure Regulator

Holley 512-504-5 - Holley EFI Fuel Pressure Regulator

JEGS Part Number: 510-512-504-5

EFI Fuel Pressure Regulator
  • 15-65 PSI + Boost Reference

    Holley 512-504-5 - Holley EFI Fuel Pressure Regulator Details

    EFI Fuel Pressure Regulator

  • CNC Machined Billet Aluminum
  • Adjustability From 35-65 psi
  • Bolts In Stock Location
  • Easy Installation

  • 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.

  • Holley 510-512-504-5

    15-65 PSI
    Manufacturer's Part Number:
    Items You May Also Consider
    Only $139.99

    Only $173.99

    Only $125.99

    Grime Boss A541S30X - Grime Boss Hand Wipes
    Only $9.99

    Grime Boss A544R10X - Grime Boss Hand Wipes
    Only $4.69