Adjustable 40 to 100 PSI Boost Reference 1:1
The Holley VR Series billet fuel pressure regulators are part of the VR1 and VR2 Series brushless fuel systems product line. These regulators can support 3000+ horsepower engines that require high volumes of fuel flow. Both EFI and carbureted versions can be referenced on a 1:1 ratio. They are precision machined from 6061-T6 billet aluminum for strength and durability and feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks. Offered in 2 port and 4 port versions for carbureted or EFI pressures, Holley has the regulator to cover your needs!
  • 4 port design
  • 1/8" NPT gauge port with 1/8" NPT vaccum/boost reference port
  • Designed for use with the Holley VR1 and VR2 Series Brushless in-line fuel pumps
  • Compatible with gasoline, methanol, and E85
  • Includes a -4 AN fitting if being used in a boosted application
  • Billet material
  • Adjustable
  • Return style
  • 40-100 PSI pressure range
  • (1) 10 AN and (4) 8 AN O-ring inlet/outlet size
  • 10 AN O-ring return size

Information:

Regulator is compatible with Diesel #1 and Diesel #2. Always use a fuel pressure gauge to monitor any changes during adjustment. Pictured is 12-851 showing similiar installation.
Attributes
Adjustable Yes
Brand Holley EFI, Holley EFI
California Proposition 65 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Category Air and Fuel Delivery
Color Black Anodized, Black Anodized
Country of Origin (Primary) US
Emission Code 4, 5
Fuel Pressure Range 40-100
Fuel System EFI, EFI
Fuel System Type EFI, EFI
Fuel Type Gasoline / Ethanol / Methanol / E85, Diesel
GTIN 00090127731208
Gauge Port Yes
Grade Type Performance
Harmonized Tariff Code (Schedule B) 8413919010
Hazardous Material Code N
Inlet Port Diameter -10AN, -10AN
Inlet Quantity One, One
Inlet Type ORB
Life Cycle Status Code Available to Order
Material Aluminum, Aluminum
Maximum Pressure Reading 100
Mounting Hardware Included No
Mounting Type Bolt On
NAFTA Preference Criterion Code B
Outlet Port Diameter -8AN, -8AN
Outlet Quantity 4
Outlet Type ORB
Port Quantity 7
Pressure 40-100 PSI
Pressure Range 40-100 PSI, 40-100 PSI
Product Type Fuel Pressure Regulator, Fuel Pressure Regulator
Return Size 8AN O-Ring, 8 AN O-Ring
SDR Required Flag N
Style EFI, EFI
Sub Category Fuel Injection System and Related Components
Warning California Proposition 65, California Proposition 65
Warranty Limited 90 Day, Manufacturer's Limited 90 Day Warranty
part type Fuel Injection Pressure Regulator

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Holley EFI 12-864 4 Port Fuel Pressure Regulator

Product Information

Vehicle Fitment