
2-PORT VR SERIES EFI REGULATOR (40-100 P
Overview
The Holley VR Series billet fuel pressure regulators are part of the VR1 and VR2 Series brushless fuel pump 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!
Features:
- EFI regulators are adjustable from 40-100 PSI base pressure
- Carbureted regulators are adjustable from 4 to 9 PSI base pressure
- Compatible with gasoline, methanol, and E85
- 1/8” NPT gauge port
- Designed for use with the Holley VR1 and VR2 Brushless in-line fuel pumps
- Can be referenced on a 1:1 ratio – includes a barb fitting and a -4 AN fitting for reference connection
- 2 port regulators feature a 10 AN O-ring inlet/outlet and return
- 4 port regulators feature a 10 AN O-ring inlet and return with (4) 8 AN O-ring outlets
About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!
Specs
Adjustable | Yes |
---|---|
Brand | Holley EFI |
Category | Air and Fuel Delivery |
Color | Black Anodized |
Emission Code | 5 |
Fuel Pressure Range | 40-100 PS |
Fuel System | EFI |
Fuel System Type | EFI |
Fuel Type | Gasoline |
Gauge Port | Yes |
Grade Type | Performance |
Inlet Port Diameter | -10AN |
Inlet Quantity | One |
Inlet Type | ORB |
Material | Aluminum |
Maximum Pressure Reading | 100 PS |
Mounting Hardware Included | No |
Mounting Type | Bolt On |
Outlet Port Diameter | -10AN |
Outlet Quantity | Three |
Outlet Type | ORB |
Part Type | Fuel Injection Pressure Regulator |
Port Quantity | 5 |
Pressure Range | 40-100 PSI |
Product Type | Fuel Pressure Regulator |
Return Size | 10 AN O-Ring |
Style | EFI |
Sub Category | Fuel Injection System and Related Components |
Warranty | Limited 90 Day |
UPC | 090127731185 |
Part Number | 12-851 |
5
This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
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