HOLLEY 12-852 Port Fuel Pressure Regulator 090127731192

( Brand: Holley ), ( Part Type: Fuel Pressure Regulator ), ( Manufacturer Part Number: 12-852 ), ( Color: Black Anodized ), ( UPC: 090127731192 )

Review HOLLEY Port Vr Series Fuel Pressure Regulator

The Holley 12-852 Port Fuel Pressure Regulator is a high-performance fuel pressure regulator designed for use in various applications, particularly in racing and high-performance vehicles. This regulator is engineered to provide precise fuel pressure control, ensuring optimal engine performance and efficiency.

This regulator features a vacuum-operated diaphragm design, which allows it to maintain consistent fuel pressure even under varying engine vacuum conditions. The vacuum-operated design also enables the regulator to self-adjust fuel pressure in response to changing engine demands. The regulator's vacuum-operated mechanism is sealed with a viton diaphragm and stainless steel hardware, ensuring durability and resistance to fuel and oil.

The Holley 12-852 Port Fuel Pressure Regulator is capable of maintaining fuel pressure from 4 to 80 psi (0.3 to 5.5 bar), making it suitable for a wide range of applications. The regulator's adjustment range is easily accessible via an external adjustment screw, allowing for quick and easy fuel pressure adjustments. The regulator also includes a built-in fuel pressure relief valve, which helps prevent damage to the engine caused by fuel pressure surges.

The regulator's brass body is CNC-machined and anodized for a durable and attractive finish. The unit is also O-ring sealed and includes a stainless steel braided fuel line and AN-6 fitting for secure and leak-free installation. The regulator's compact design makes it easy to install in tight spaces, and its robust construction ensures reliable operation under demanding conditions.

In summary, the Holley 12-852 Port Fuel Pressure Regulator is a high-performance, vacuum-operated fuel pressure regulator designed for use in racing and high-performance applications. It features a precise diaphragm design, a wide adjustment range, and a durable brass body, making it a reliable and effective solution for maintaining consistent fuel pressure in your vehicle.

The Holley 12-852 Port Vacuum Secondary Fuel Pressure Regulator is a popular choice among automotive enthusiasts for their fuel systems. Here are some pros and cons of buying this regulator:

1. Vacuum-secondary design: This regulator uses vacuum to control fuel pressure, making it ideal for applications where constant fuel pressure is not required, such as carbureted or naturally aspirated engines.

2. Adjustable fuel pressure: The Holley 12-852 offers an adjustable fuel pressure range of 2-10 psi, allowing users to fine-tune their fuel system for optimal performance.

3. Durable construction: The regulator is made of high-quality materials, including brass and stainless steel, ensuring long-lasting performance and resistance to corrosion.

4. Easy installation: The regulator comes with clear instructions and is relatively easy to install, making it a popular choice for DIYers.

1. Not suitable for high-performance applications: The vacuum-secondary design of the regulator may not be suitable for high-performance applications where constant fuel pressure is required, such as forced induction systems or high-horsepower engines.

2. Limited adjustment range: While the adjustable fuel pressure range of 2-10 psi is sufficient for many applications, it may not provide enough flexibility for some users.

3. Potential for vacuum leaks: The vacuum-secondary design of the regulator relies on vacuum to function properly. If there is a vacuum leak in the system, it can affect the fuel pressure and cause performance issues.

The Holley 12-852 Port Vacuum Secondary Fuel Pressure Regulator is a reliable and durable option for those looking to upgrade their carbureted or naturally aspirated fuel systems. Its vacuum-secondary design offers flexibility and ease of installation, but may not be suitable for high-performance applications.

If you are looking for a fuel pressure regulator for a carbureted or naturally aspirated engine, the Holley 12-852 is an excellent choice. However, if you have a high-performance application requiring constant fuel pressure, you may want to consider a different type of regulator, such as an electric or mechanical unit with a wider adjustment range.

part # 12852 prices

• $399.95-$434.96

specifications fuelperforma:

• brand: Holley
• part type: Fuel Pressure Regulator
• manufacturer part number: 12-852
• color: Black Anodized
• upc: 090127731192

payments fuelperforma:

• credit card: Discover
• other
• wallet: Paypal

shipping fuelperforma:

• carrier: UPS
• class: Standard
• service: UPS Ground
• transit: 4-8 Days
• type: Fixed
• cost: $0.00

offer fuelperforma:

• quantity: 3
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: May 25, 2025

seller fuelperforma:

• rating: 98.8%
• # reviews: 14901

returns fuelperforma:

• paid by: Buyer
• time: 30 Days
• policy: Returns Accepted

general fuelperforma:

• Auto Permance Parts > Fuel Systems > Fuel Pressure Regulators
• condition: New

Holley 12-852 Is Similar To:

• Holley 34r-6657b Aluminum Fuel Pressure Regulator Nearly Unused (58.1% similar) $22.00–$80.00. (August 23rd, 2024)
• Tlf Performance Parts 6-iwp-043r-60 6 60lbs High Fuel Injectors For Holley (26.6% similar) $383.06–$511.82. (September 25th, 2024)
• Holley 1236011 Chrome Mechanical Fuel Pump Ford #1236011 (43.6% similar) $119.99–$139.95. (October 27th, 2024)
• Holley 12-846 Fuel Pressure Regulator (76.9% similar) $169.99–$266.95. (November 21st, 2024)
• Holley 12-289-13 Chrome 130 Gph Mechanical Fuel Pump Small Block Ford (43.9% similar) $235.95–$258.37. (November 26th, 2024)
• Holley 12-803 Carburetor Fuel Pressure Regulator 2 Port 4 1/2 To 9 Psi 3/8 Inch Npt (55.5% similar) $57.95–$182.99. (December 4th, 2024)
• Holley 12-705 New Electric Fuel Pump Billet Aluminum Volumax Race 160 Gph #12-705-1 (39.4% similar) $60.87–$350.00. (December 8th, 2024)
• Allstar Performance All26166 Fuel Line Kit 9-5/16in Std Holley Black (14.8% similar) $60.00–$77.99. (December 16th, 2024)
• Holley 26-162 Performance Fuel Line Fitting (49.5% similar) $24.37–$39.02. (December 27th, 2024)
• Edelbrock 12665 Power Valve Standard Flow 1-stage 6.5 Inch With Gasket Holley Demon Quick Fuel (18.9% similar) $13.95–$34.54. (December 27th, 2024)
• Holley 19-223 Fuel Cell Mounting Straps (45.2% similar) $36.87–$54.14. (December 31st, 2024)