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    • 4 Port VR Series Fuel Pressure Regulator Four Port Adjustable 4 to 9 PSI Boost Reference 11 Holley
    • 4 Port VR Series Fuel Pressure Regulator Four Port Adjustable 4 to 9 PSI Boost Reference 11 Holley
    • 4 Port VR Series Fuel Pressure Regulator Four Port Adjustable 4 to 9 PSI Boost Reference 11 Holley
    • 4 Port VR Series Fuel Pressure Regulator Four Port Adjustable 4 to 9 PSI Boost Reference 11 Holley
    • 4 Port VR Series Fuel Pressure Regulator Four Port Adjustable 4 to 9 PSI Boost Reference 11 Holley
    • 4 Port VR Series Fuel Pressure Regulator Four Port Adjustable 4 to 9 PSI Boost Reference 11 Holley
    Sale!

    Holley 4-Port VR Series EFI Fuel Pressure Regulator, 4-9 PSI, 1:1 Boost Reference | 12-865

    Vendor: Holley
    Part Number: 12-865
    Save $54
    Sale Price $425.95 Regular Price $479.95

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    This Holley VR Series billet fuel pressure regulator is part of the VR1 and VR2 Series brushless fuel systems lineup, capable of supporting 3000+ horsepower engines that require high volumes of fuel flow. It can be referenced on a 1:1 ratio and is precision machined from 6061-T6 billet aluminum, with a black bright dip anodized body and clear bright dip anodized top for corrosion resistance.

    Specifications:

    • Style: EFI, 4-Port
    • Pressure Range: 4-9 PSI
    • Color: Black Anodized
    • Material: 6061-T6 Billet Aluminum
    • Fuel Type: Gasoline, Diesel
    • Inlet Port: 10 AN ORB
    • Outlet Ports: (4) 8 AN ORB
    • Return Size: 8 AN O-Ring
    • Gauge Port: 1/8" NPT
    • Product Type: Fuel Pressure Regulator
    • Part Number: 12-865

    Compatible with Diesel #1 and Diesel #2, as well as gasoline, methanol, and E85. Designed for use with Holley VR1 and VR2 Series brushless in-line fuel pumps; includes a barb fitting and a -4 AN fitting for 1:1 boost reference connection.

    FAQ

    What is this regulator designed for?

    It's a 4-port EFI regulator designed for use with Holley VR1 and VR2 Series brushless in-line fuel pumps, supporting 3000+ horsepower applications.

    Can it be referenced to boost?

    Yes, it can be referenced on a 1:1 ratio and includes a barb fitting and a -4 AN fitting for the reference connection.

    What fuels is it compatible with?

    It's compatible with gasoline, diesel (#1 and #2), methanol, and E85.

    What outlet configuration does the 4-port version have?

    It features a 10 AN O-ring inlet and return with four 8 AN O-ring outlets.

    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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