4 Port Fuel Pressure Regulator
Type: Fuel Pressure Regulator
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!
Features:
- 4 port design
- 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
- 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
Specs:
- Adjustable: Yes
- Brand: Holley EFI
- Category: Air and Fuel Delivery
- Color: Black Anodized
- Emission Code: 5
- Fuel Pressure Range: 40-100
- Fuel System: EFI
- Fuel System Type: EFI
- Fuel Type: Diesel, 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: -8AN
- Outlet Quantity: 4
- Outlet Type: ORB
- Part Type: Fuel Injection Pressure Regulator
- Port Quantity: 7
- Pressure Range: 40-100 PSI
- Product Type: Fuel Pressure Regulator
- Return Size: 8 AN O-Ring
- Style: EFI
- Sub Category: Fuel Injection System and Related Components
- Warranty: Limited 90 Day
Tech Resources:
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.
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Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
