HOLLEY 122-47 Carburetor Jet

( Brand: Holley ), ( Part Type: Jet Carburetor ), ( Manufacturer Part Number: 122-47 ), ( Item Length: 0.35 In )

Review HOLLEY 12247 Carburetor Jet

The Holley 122-47 12247 Carburetor Jet is a crucial component of the Holley 4-barrel carburetor system, specifically designed for optimal fuel delivery and performance in various automotive applications. This jet is engineered with precision and attention to detail to ensure consistent and reliable fuel atomization.

The 122-47 jet is a primary jet, which is located in the center of the carburetor's primary bore, just below the float level. It measures 0.078 inches in diameter and is designed to deliver the correct amount of fuel to the engine under various operating conditions. The jet's fine hole diameter is specifically calibrated for optimal fuel atomization, ensuring a fine fuel mist for efficient combustion.

This jet is made of high-quality, corrosion-resistant brass material. The brass construction not only ensures durability and longevity but also provides excellent heat conductivity to help maintain consistent fuel temperature and prevent fuel from solidifying. The jet's surface is also polished to a mirror finish, which not only enhances its aesthetic appeal but also minimizes fuel turbulence and improves fuel flow.

The Holley 122-47 12247 Carburetor Jet is easy to install and is compatible with various Holley 4-barrel carburetor models. It comes packaged with a gasket to ensure a perfect seal between the jet and the carburetor bore, preventing fuel leaks and ensuring optimal performance.

In summary, the Holley 122-47 12247 Carburetor Jet is a high-quality, precision-engineered component of the Holley 4-barrel carburetor system. It is designed for optimal fuel delivery and performance, is made of durable, corrosion-resistant brass material, and is easy to install. With its fine hole diameter and excellent heat conductivity, this jet ensures consistent fuel atomization and efficient combustion for enhanced engine performance.

The Holley 122-47 12247 carburetor jet is a popular aftermarket jet for various applications, particularly for small-block Chevy engines. Here are some pros and cons to help you make an informed decision about purchasing this jet:

1. Precise fuel delivery: Holley jets are known for their precise fuel delivery, ensuring optimal engine performance and fuel economy.

2. Wide range of applications: The 122-47 jet is suitable for a wide range of applications and can be used with various Holley carburetor models.

3. Easy installation: Installing the jet is a relatively simple process that does not require extensive mechanical knowledge or specialized tools.

4. Improved performance: The jet can help improve engine performance by providing the correct fuel mixture for optimal combustion.

5. Affordable: Compared to other performance upgrades, the cost of a Holley jet is relatively affordable and can provide significant performance gains.

1. Requires adjustment: The jet may require adjustment to achieve the optimal fuel mixture for your specific engine and operating conditions.

2. May not be suitable for all applications: The 122-47 jet is not suitable for all applications and may not provide the desired performance gains for some engines or operating conditions.

3. May require additional parts: Depending on your specific engine setup, you may need to purchase additional parts to use the jet, such as gaskets or seals.

In conclusion, the Holley 122-47 12247 carburetor jet can provide significant performance gains for small-block Chevy engines, particularly in terms of precise fuel delivery and improved combustion. However, it may require adjustment and additional parts depending on your specific engine setup, and may not be suitable for all applications. Overall, if you are looking for an affordable and effective performance upgrade for your small-block Chevy engine, the Holley 122-47 jet is a good option to consider.

Recommendation: If you are considering purchasing the Holley 122-47 carburetor jet, I would recommend doing your research to ensure that it is the correct jet for your specific engine setup and operating conditions. Additionally, be prepared for the possibility of adjustment and additional parts costs, and consider purchasing the jet from a reputable supplier to ensure that you receive a high-quality product.

part # 12247 prices

• $14.69-$27.88

specifications carbcaddie:

• brand: Holley
• part type: Jet Carburetor
• manufacturer part number: 122-47
• item length: 0.35 In

seller carbcaddie:

• rating: 97.1%
• # reviews: 51848

payments carbcaddie:

• credit card: Diners-club
• wallet: Google-pay
• other

general carbcaddie:

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

returns carbcaddie:

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

offer carbcaddie:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• best offers: True
• started: August 26, 2025
• sold: 0

shipping carbcaddie:

• transit: 3-8 Days
• class: Standard
• type: Fixed
• service: Standard
• cost: $0.00

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