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Holley VR Series Fuel Pressure Regulators 12-864 Regulators, Series, 4 port, Inline, Return Style, 40-100 psi, 1/8 in. NPT Gauge Port, -10 AN O-ring ports, Aluminum, Black Base, Each

SKU: HLY12-864

Fuel Pressure Regulators

Holley VR Series Fuel Pressure Regulators 12-864 Regulators, Series, 4 port, Inline, Return Style, 40-100 psi, 1/8 in. NPT Gauge Port, -10 AN O-ring ports, Aluminum, Black Base, Each

SKU: HLY12-864

Fuel Pressure Regulators
A$956.12
LAST ONE! Est Ship 4-7 days. LAST ONE! This is the last unit at our distribution centre. Contact us if you need more. The ETA is the approximate time required to prepare your order for dispatch.
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Description

Holley VR Series fuel pressure regulators are part of their VR1 and VR2 Series brushless fuel systems product line. Designed to handle large volumes of fuel flow, they are capable of supporting 3,000+ horsepower. They are CNC-machined from 6061 T-6 billet aluminum for strength and have bright dip anodized black bodies with clear dip anodized tops for corrosion resistance. Holley VR Series fuel pressure regulators are available in 2-port and 4-port versions for carbureted or EFI-equipped engines.

Features include:

* EFI regulators are adjustable from 40 to100 psi
* Carbureted regulators are adjustable from 4 to 9 psi
* Compatible with gasoline, methanol, and E85
* 1/8 in. NPT gauge port
* Designed for use with Holley VR1 and VR2 Series brushless in-line fuel pumps
* Can be referenced on a 1:1 ratio--a barb fitting and a -4 AN fitting are included for reference connection
* 2-port regulators feature -10 AN O-ring inlet/outlet and return
* 4-port regulators feature -10 AN O-ring inlet and return with four -8 AN O-ring outlets

Part Type

4-Port EFI Regulator 40-100 PSI

Data: v4.2 - Upd: 2026-10-13 18:47:40

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
12-864
Product Attributes - Part Type
Fuel Pressure Regulators
Product Attributes - Product Line
Holley VR Series Fuel Pressure Regulators
Product Attributes - UPC
090127731208
Product Attributes - Regulator Pressure (psi)
40-100
Product Attributes - Regulator Style
Return
Product Attributes - Regulator Location
Inline
Product Attributes - Boost/Vacuum Reference Port
Yes
Product Attributes - Boost/Vacuum Rise Ratio
1:1
Product Attributes - Gauge Port
Yes
Product Attributes - Inlet Quantity
1
Product Attributes - Regulator Inlet Size
-10 AN
Product Attributes - Inlet Attachment
Female straight cut O-ring
Product Attributes - Outlet Quantity
4
Product Attributes - Regulator Outlet Size
-8 AN
Product Attributes - Outlet Attachment
Female straight cut O-ring
Product Attributes - Return Fitting Size
-10 AN
Product Attributes - Return Attachment
Female straight cut O-ring
Product Attributes - Fittings Included
No
Product Attributes - Regulator Material
Aluminum
Product Attributes - Regulator Color
Black
Product Attributes - Rebuildable
Yes
Product Attributes - Mounting Bracket Included
Yes
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Holley
StreetFX SKU hly12-864
SFX Item ID 4783077
Supplier Item Code 4783077
Manufacturer SKU 12-864
Manufacturer UPC 90127731208
Alternative References HOL12-864

Compatibility

Application Data
  • UniversalYes
    Fuel TypeALCOHOL
    Regulator UsageMulti-port injection
  • UniversalYes
    Fuel TypeFLEX
    Regulator UsageMulti-port injection
  • UniversalYes
    Fuel TypeGAS
    Regulator UsageMulti-port injection

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