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Holley

Boost Compensating Universal EFI Fuel Pressure Regulator

Part # 512-504-5 Be the first to write a review

Hot Street/Race EFI Applications Two Port Adjustable from 15-65 PSI

Boost Compensating Universal EFI Fuel Pressure Regulator

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Free Shipping - Lower 48 US States
$420.95
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4

Emissions

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

    See Emissions Details

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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. Black anodized.

Features:

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

About Holley

Holley Performance Brands is the undisputed leader in carburetors, fuel pumps, fuel injection, intake manifolds, fuel injection, and fuel systems.

AdjustableYes
Brand Holley
CategoryAir and Fuel Delivery
ColorHard Coat Anodized
Emission Code4
Fuel SystemGasoline
Fuel TypeGasoline
Gauge IncludedNo
Gauge Port IncludedYes
Grade TypePerformance
Inlet GenderFemale
Inlet Port Diameter8 AN ORB
Inlet Port Quantity1
Inlet Size8 AN O-Ring
Inlet Type8 AN ORB
MaterialAluminum
Maximum Pressure65 PS
Minimum Pressure15 PS
Mounting Bracket IncludedYes
Mounting TypeInline
Outlet GenderFemale
Outlet Port Diameter6 AN ORB
8 AN ORB
Outlet Port Quantity2
Outlet Size8 AN O-Ring
Outlet Type6 AN ORB
8 AN ORB
Port Quantity2
Pressure Range15-65 PSI
Product TypeFuel Pressure Regulator
RebuildableYes
Return Size6 AN O-Ring
StyleBypass
Vacuum Port Quantity1
WarrantyManufacturer's Limited 90 Day Warranty
UPC090127545416
Part Number512-504-5
4

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Instructions - 199r10037rev1.pdf
Instructions - fuel_pump_tech_info.pdf
Manufacturer's Limited 90 Day Warranty: See Details

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    *Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

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