Holley
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Holley 12-803 Chrome Carbureted Fuel Pressure Regulator
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Holley 12-803 Chrome Carbureted Fuel Pressure Regulator
Regulator without threaded holes. Convenient self-tapping screws create threads.
Holley 12-803 Chrome Carbureted Fuel Pressure Regulator
Item #: 357265

Holley 12-803 Chrome Carbureted Fuel Pressure Regulator

Item #: 357265

BSD 76

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Order now and get it around Thursday, September 24
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Regulator without threaded holes. Convenient self-tapping screws create threads.
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What Stands Out

High-Performance Design
Engineered for optimal fuel delivery, ensuring consistent performance in carbureted systems while preventing fuel pressure fluctuations. Perfect for enthusiasts seeking reliability in high-powered applications.
Durable Chrome Finish
The attractive chrome finish not only enhances engine aesthetics but also provides corrosion resistance, ensuring longevity and reliable operation even in harsh conditions.
Easy Installation
Designed for straightforward installation, this regulator features simple adjustments and compatibility with various setups, minimizing downtime and hassle for car enthusiasts and restore projects.

Product Details

Shop the high-quality Holley 12-803 Fuel Pressure Regulator with a 4.5-9 Psi range. Get the best prices on Ubuy The Bahamas and enjoy hassle-free self-tapping screws installation.
  • Adjustable fuel regulation from 4-1/2 to 9 psi
  • Made of durable aluminum material
  • Features a 220 (7/32) restriction
  • Equipped with 3/8 NPT ports (1 in, 2 out)
  • Includes a mounting bracket for installation
  • Designed for vehicle-specific fit
Package Weight1 Pound

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Car Enthusiasts

    Perfect for car enthusiasts looking to enhance fuel delivery performance in their carbureted engines.

  • High-Performance Builds

    Ideal for high-performance engine builds requiring precise fuel pressure adjustments and reliability.

  • Off-Road Vehicles

    Great for off-road vehicles needing durable fuel regulation in challenging driving conditions.

Not Suitable For
  • Fuel Injected Vehicles

    Not suitable for modern fuel-injected vehicles which require a different fuel pressure regulation system.

Product Description

Holley 12-803 Chrome Carbureted Fuel Pressure Regulator

About This Item

Introducing the Holley 12-803 Reg, Fuel Pressure 4.5-9 Psi Shiny Fuel Pressure Regulator – your go-to solution for optimizing fuel performance. Designed to enhance your engine's fuel delivery system, this adjustable fuel pressure regulator is perfect for high-performance vehicles and can be used in both carburetor and EFI systems. With its sleek shiny finish, this Holley fuel pressure regulator not only improves functionality but adds a touch of style under your hood.

Equipped with self-tapping screws, the installation of this regulator is a breeze. No need to worry about threaded holes – simply secure it in place and you're good to go. Apart from its easy installation, this fuel pressure regulator offers a range of benefits.

It helps maintain a steady fuel pressure within the recommended range of 4.5 to 9 psi, ensuring consistent fuel flow to your engine. By regulating the fuel pressure effectively, this Holley regulator prevents fuel starvation, fuel leaks, and engine hesitation, leading to improved overall performance and reliability. Troubleshooting fuel pressure issues becomes a thing of the past with this reliable fuel pressure regulator. Whether you're upgrading your current system or replacing a worn-out regulator, the Holley 12-803 is guaranteed to meet your expectations. At Ubuy, we pride ourselves on offering top-rated products that deliver exceptional value for money.

This Holley fuel pressure regulator is no exception. With its affordable price tag, you can enjoy high-quality performance without breaking the bank. So, why wait? Upgrade your fuel system today with the Holley 12-803 Reg, Fuel Pressure 4.5-9 Psi Shiny Fuel Pressure Regulator and experience the benefits of a well-maintained fuel flow. Shop now and join the countless satisfied customers who trust Holley for their fuel pressure needs.

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Customer Questions & Answers

  • Question: What is the function of the Holley 12-803 fuel pressure regulator?

    Answer: The Holley 12-803 fuel pressure regulator maintains optimal fuel pressure within the 4.5-9 PSI range for various fuel systems. By regulating pressure, it ensures the engine receives the right amount of fuel for efficient combustion. This regulator is essential for high-performance vehicles and custom builds where precise fuel management is critical.
  • Question: What materials are used in the construction of the Holley 12-803 regulator?

    Answer: The Holley 12-803 is crafted from high-quality materials designed for durability and performance. Its shiny finish not only adds aesthetic appeal but also provides excellent resistance to corrosion, ensuring longevity in challenging environments. This makes it a reliable choice for both street and racing applications.
  • Question: How do I install the Holley 12-803 fuel pressure regulator?

    Answer: Installing the Holley 12-803 fuel pressure regulator is straightforward. It typically involves mounting the regulator to the engine bay, connecting the fuel lines, and setting the desired pressure. It's important to consult the installation manual for detailed instructions and follow best practices to ensure a secure and effective setup.
  • Question: Can I use the Holley 12-803 with more than one fuel type?

    Answer: Yes, the Holley 12-803 regulator is versatile and can be used with different fuel types, including gasoline and alcohol-based fuels. This adaptability makes it suitable for a wide range of performance applications, allowing you to optimize your fuel system based on your specific engine requirements.
  • Question: What are the benefits of using a fuel pressure regulator?

    Answer: A fuel pressure regulator, like the Holley 12-803, helps ensure consistent fuel delivery under varying engine loads. This consistency improves engine performance, efficiency, and reliability. It also helps prevent issues such as fuel starvation or flooding, making it a vital component for performance tuning and modifications.
  • Question: Is the Holley 12-803 suitable for racing applications?

    Answer: Absolutely, the Holley 12-803 is designed for both street and racing applications. Its ability to maintain a stable pressure range of 4.5-9 PSI makes it ideal for performance engines that require precise fuel management under high-stress conditions. This capability is crucial for racers looking to optimize their vehicle’s performance.
  • Question: What pressure settings can I achieve with the Holley 12-803?

    Answer: The Holley 12-803 regulator allows adjustment between 4.5 to 9 PSI. This range accommodates various performance needs, providing flexibility for different carbureted setup requirements. Users can tweak the pressure based on their engine’s specifications, often requiring trial and error for optimal performance.
  • Question: Does the Holley 12-803 come with any mounting hardware?

    Answer: The Holley 12-803 regulator typically includes essential mounting hardware for installation. This ensures users can securely attach the regulator to various setups without needing to purchase additional parts. Proper mounting is crucial for avoiding fuel leaks and ensuring reliable operation.
  • Question: Can I use the Holley 12-803 with a factory fuel system?

    Answer: Yes, the Holley 12-803 is compatible with many factory fuel systems, making it an excellent upgrade for improved performance. Whether you're looking to enhance your engine's efficiency or upgrade for a performance build, this regulator can effectively manage fuel pressure to meet heightened demands.
  • Question: Where can I buy the Holley 12-803 Reg, Fuel Pressure 4.5-9 Psi, Shiny?

    Answer: You can buy the Holley 12-803 Reg, Fuel Pressure 4.5-9 Psi, Shiny from Ubuy in The Bahamas. Ubuy is a reliable e-commerce platform that offers a wide range of automotive products, ensuring you have access to high-quality components for your vehicle.

Holley Pressure Regulators Editorial Review

The Holley 12-803 Reg, Fuel Pressure regulator is a small and easy-to-install device that works great for adjusting fuel pressure. It features a pressure range from 4-1/2 to 9 PSI and comes pre-set at 7 PSI. The regulator has two outlet ports, making it suitable for use with dual carbs. It can be mounted inline in a 3/8" steel fuel line without the need for physical mounting. However, it is important to note that measuring the discharge pressure and adjusting it to your specific fuel device may be a more challenging task as carburetors and fuel injection have differing requirements. Customer reception of this product has been generally positive. Some customers have praised the ease of installation and success they have had with regulating fuel pressure. They have also mentioned that the self-tapping screws provided with the regulator work effectively, despite initial concerns about the lack of threaded holes. The packaging of the product has been described as satisfactory, with no reports of damage during shipping. However, there have been some complaints about the regulator not being threaded on the bottom side, which makes mounting difficult without modification or finding an alternative solution. Other customers have experienced leaks from fittings and have found that stainless steel fittings are not compatible, only brass fittings seem to work without leakage. The included bracket has also received criticism, with some customers finding it unsuitable for their specific mounting needs. Overall, the Holley 12-803 Reg, Fuel Pressure regulator is a reliable product that effectively regulates fuel pressure. It is important to Consider potential mounting difficulties and the need for compatible fittings when purchasing this regulator.

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Pros

  • Easy installation
  • Effective in regulating fuel pressure
  • Pre-set at 7 PSI with a pressure range of 4-1/2 to 9 PSI
  • Two outlet ports for use with dual carbs
  • Well-packaged

Cons

  • Mounting difficulties due to lack of threaded holes

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