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$254.99
Holley 512-504-5 Boost Compensating EFI Fuel Pressure Regulator
Holley 512-504-5 Boost Compensating EFI Fuel Pressure Regulator

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

Universal Fit, 8 AN O-Ring Inlet Fitting, 8 AN O-Ring Outlet Fitting, Gasoline Fuel Type, Black

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Holley 512-504-5 Boost Compensating EFI Fuel Pressure Regulator
Holley 512-504-5 Boost Compensating EFI Fuel Pressure Regulator
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We estimate this item will ship on or before August 20th.
Part # 4255125045
$254.99
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Holley to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

MFG. Part #:
512-504-5
Inlet Fitting:
8 AN O-Ring
Outlet Fitting:
8 AN O-Ring
Fuel Type:
Gasoline
Material Type:
Aluminum
Finish:
Anodized
Pressure Regulator Style:
Bypass
Pressure Range (psi):
15-65
Return Fitting Size:
6 AN O-Ring
GTIN Code:
090127545416
Color:
Black

Info

This precision adjustable fuel metering regulator is the ultimate fuel pressure control unit 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. It also features black hard anodize for ultimate durability.

  • Black hard coat anodized for the ultimate in durability
  • Easy installation
  • Allows adjustment from 15-65 psi + boost reference
  • 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
  • -8an & -6an o-ring style fittings included to adapt to steel braided fuel lines
  • CNC machined billet aluminum

Installation Instructions (PDF)

Installation Instructions (PDF)

Some parts are not legal for use in California or other states with similar laws/regulations

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  • After installing the intake manifold and carbs on his 8BA, Heath P. continues on to the fuel and throttle setup. See how he mounts each part while making modifications to complete the install.
  • A routine weekly maintenance checklist to perform between each race in order to keep a clean and efficient race car at the track.
  • The process on how to effectively winterize your fuel system in open wheel racing. This includes step by step instructions and recommended parts to use for your fuel system.

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