HOLLEY 122-49 Jets 090127021286

( Brand: Holley ), ( Part Type: Jet ), ( Material: Brass ), ( Universal Fitment: Yes ), ( UPC: 090127021286 ), ( Manufacturer Part Number: 122-49 )

Review HOLLEY Main Jets

The Holley 122-49 Jet Kit is a high-performance fuel system component designed for applications requiring precise fuel delivery. This jet kit is specifically designed for Holley 4150 and 4160 series carburetors and is ideal for use in high-performance engines, hot rods, and race cars.

The Holley 122-49 Jet Kit includes a total of 12 jets, with six primary jets (numbers 49 through 54) and six secondary jets (numbers 49 through 54). The primary jets are designed for use in the main fuel circuits, providing the initial fuel mixture for the engine. The secondary jets are used to fine-tune the fuel mixture in the idle circuits, ensuring smooth idle and optimal engine performance.

Each jet in the Holley 122-49 Jet Kit is precision machined from high-quality brass material and features a fine thread design for easy installation. The jets are also pre-drilled with a 1/16-inch hole, allowing for easy installation of needle valves or other adjustment components.

The Holley 122-49 Jet Kit is designed for use with Holley's Universal Secondary System, which allows for easy adjustment of the secondary circuit fuel mixture. The jets are also compatible with other adjustable secondary systems, providing flexibility for users with different fuel system configurations.

In terms of performance, the Holley 122-49 Jet Kit offers excellent fuel atomization, ensuring a precise and consistent fuel mixture for optimal engine performance. The jets are also designed to provide good flow characteristics, ensuring smooth fuel delivery to the engine.

Overall, the Holley 122-49 Jet Kit is a high-quality fuel system component designed for use in high-performance applications. Its precision machining, fine thread design, and compatibility with various adjustable secondary systems make it a versatile and effective choice for tuning and optimizing fuel delivery in a wide range of engines.

Holley 122-49 jets are a popular choice for carburetor enthusiasts seeking high-performance fuel delivery for their engines. These jets are designed to provide a larger fuel flow rate compared to stock jets, which can lead to improved engine performance. However, like any automotive modification, there are pros and cons to consider before making a purchase.

1. Increased Fuel Flow: Holley 122-49 jets offer a larger fuel flow rate compared to stock jets. This can lead to better fuel atomization, which results in a more complete combustion cycle and improved engine performance.

2. Wider Fuel Curve: These jets provide a wider fuel curve, allowing for more consistent fuel delivery throughout the RPM range. This can lead to a smoother idle and improved throttle response.

3. Improved Power: By providing more fuel to the engine, Holley 122-49 jets can help increase horsepower and torque, especially in high-performance applications.

1. Fuel Consumption: With an increased fuel flow rate comes an increased fuel consumption. This can lead to higher fuel costs and more frequent fuel stops, especially for those who drive frequently or for extended periods of time.

2. Potential for Rich Fuel Mixture: If not properly tuned, Holley 122-49 jets can lead to a rich fuel mixture, which can result in poor engine performance and increased emissions. Proper tuning and adjustment are essential to ensure optimal performance.

3. Cost: Holley 122-49 jets are typically more expensive than stock jets. This cost must be weighed against the potential performance benefits and fuel consumption increases.

In conclusion, Holley 122-49 jets offer several potential performance benefits, including increased fuel flow, a wider fuel curve, and improved power. However, these benefits come with the costs of increased fuel consumption, the potential for a rich fuel mixture, and a higher initial cost compared to stock jets. Proper tuning and adjustment are essential to ensure optimal performance and minimize any potential drawbacks.

Recommendation: If you are seeking to improve the performance of your engine and are willing to accept the potential drawbacks, Holley 122-49 jets may be a worthwhile investment. However, it is important to ensure that your carburetor is properly tuned and adjusted to ensure optimal performance and minimize any potential negative effects. Additionally, consider the cost of fuel and the potential impact on your budget before making a purchase.

part # 12249 prices

• $13.22-$28.94

specifications carbcaddie:

• brand: Holley
• part type: Jet
• material: Brass
• universal fitment: Yes
• upc: 090127021286
• manufacturer part number: 122-49

returns carbcaddie:

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

payments carbcaddie:

• other
• credit card: Discover
• wallet: Google-pay

seller carbcaddie:

• # reviews: 319923
• rating: 99.2%

offer carbcaddie:

• options: Ship-to-home
• quantity: 4
• sold: 0
• started: April 3, 2025
• availability: In Stock

shipping carbcaddie:

• transit: 4-4 Days
• service: Economy, Expedited
• cost: $13.99
• class: Economy, Expedited
• type: Fixed

general carbcaddie:

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

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