EDELBROCK 12485 Carburetor Jet Holley Demon Fuel Holley/demon/quick

( Brand: Edelbrock ), ( Manufacturer Part Number: 12485 ), ( Type: Carburetor Metering Jet )

Review EDELBROCK Carburetor Metering Jet-holley/demon/quick Fuel Main Jet

The Edelbrock 12485 Performer Series Carburetor Jet is a crucial component in ensuring the optimal performance of your Holley, Demon, or Quick Fuel carburetor. This jet is meticulously engineered to deliver precise fuel mixtures for various engine conditions, resulting in improved throttle response, enhanced idling stability, and increased power output.

Designed with a thread size of 5/16-27 UNF, this jet is compatible with a wide range of performance carburetors from reputable manufacturers like Holley, Demon, and Quick Fuel. The jet features a standard size of 0.078 inch and comes in sets of primary and secondary jets.

The primary jets are responsible for the initial fuel mixture that enters the intake manifold, while secondary jets provide the necessary fuel for the engine during full throttle conditions. By fine-tuning these jets, you can effectively adjust the fuel mixture for different engine loads and driving conditions.

The Edelbrock 12485 Performer Series Carburetor Jet is crafted from high-quality materials, ensuring durability and reliability even under the most demanding driving conditions. Each jet undergoes rigorous testing to ensure consistent performance and accuracy.

Installing these jets is a straightforward process. Simply remove the old jets from your carburetor, clean the threads, and install the new Edelbrock jets. For best results, it's recommended to use a new gasket or O-ring to ensure a proper seal and prevent fuel leaks.

By upgrading to the Edelbrock 12485 Performer Series Carburetor Jet, you'll experience improved engine performance, smoother idle, and increased power output. These jets are an essential upgrade for any serious performance enthusiast looking to maximize the potential of their carbureted engine.

Edelbrock 12485 Carburetor Jet: Pros and Cons

The Edelbrock 12485 carburetor jet is a popular aftermarket jet used in various carburetors, including Holley, Demon, and Quick Fuel carburetors. Here are some pros and cons of using this jet.

1. Improved Performance: The Edelbrock 12485 jet is designed to provide better fuel flow and atomization, resulting in improved engine performance. It is particularly effective in high-performance applications where more fuel is required.

2. Wide Compatibility: This jet is compatible with a wide range of carburetors, including Holley, Demon, and Quick Fuel carburetors. It can also be used with different fuel systems, making it a versatile option.

3. Easy Installation: Installing the Edelbrock 12485 jet is a relatively simple process. It can be done in a short time, and it does not require any special tools or skills.

4. Affordable: Compared to other performance jets, the Edelbrock 12485 jet is quite affordable. It offers excellent value for money and is a cost-effective way to improve engine performance.

1. Requires Tuning: Installing the Edelbrock 12485 jet may require tuning to ensure optimal engine performance. This can be a time-consuming and complex process, particularly for those without experience.

2. May Not Be Suitable for All Applications: While the Edelbrock 12485 jet is compatible with a wide range of carburetors and fuel systems, it may not be suitable for all applications. It is essential to ensure that it is compatible with your specific engine and fuel system before making a purchase.

3. Potential for Fuel Leaks: Installing the Edelbrock 12485 jet may increase the risk of fuel leaks, particularly if it is not installed correctly. It is essential to follow the installation instructions carefully and ensure that all fuel lines and connections are secure.

The Edelbrock 12485 carburetor jet is an excellent option for those looking to improve engine performance in their high-performance applications. It offers wide compatibility, easy installation, and improved fuel flow and atomization. However, it may require tuning, may not be suitable for all applications, and may increase the risk of fuel leaks. Ultimately, the decision to use the Edelbrock 12485 jet depends on the specific requirements of your engine and fuel system, as well as your experience and resources for tuning. If you are confident in your abilities and are looking for a cost-effective way to improve engine performance, the Edelbrock 12485 jet is a worthwhile consideration. On the other hand, if you are unfamiliar with carburetor tuning or have a complex engine setup, it may be worth considering alternative solutions.

If you are considering using the Edelbrock 12485 carburetor jet, I would recommend ensuring that it is compatible with your specific engine and fuel system before making a purchase. It is also essential to follow the installation instructions carefully and take the necessary precautions to prevent fuel leaks. If you are unsure about the tuning process or have a complex engine setup, it may be worth considering working with a professional or using a more user-friendly fuel system solution. Ultimately, the Edelbrock 12485 jet can be an excellent investment for those looking to improve engine performance in their high-performance applications, but it is essential to approach the installation process with care and attention to detail.

part # 12485 prices

• $18.93-$39.89

specifications carbcaddie:

• brand: Edelbrock
• manufacturer part number: 12485
• type: Carburetor Metering Jet

offer carbcaddie:

• sold: 0
• options: Ship-to-home
• started: February 25, 2026
• availability: In Stock

general carbcaddie:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
• condition: New

shipping carbcaddie:

• service: Standard
• transit: 3-7 Days
• class: Standard
• cost: $20.00
• type: Fixed

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seller carbcaddie:

• rating: 100.0%
• # reviews: 561

returns carbcaddie:

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

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