USA SPEED 122-62 Jets Holley Carb Nos

( Brand: Usa Speed ), ( Type: Main Jets ), ( Ipn: 122-62 ), ( Cross Reference Part Number: 22-62 ), ( Manufacturer Warranty: Yes ), ( Mounting Hardware Included: No ), ( Country Of Origin: United States )

Review USA SPEED Main Jets Holley Carb Nos

Introducing the 122-62 Jet Hot Rod Carburetor by Holley, a high-performance fuel delivery system designed for hot rods and custom applications. This carburetor is part of Holley's classic series, boasting a timeless design that complements the vintage aesthetic of hot rods while delivering modern fuel delivery capabilities.

The 122-62 Jet features a 122-square-inch bore size and is suitable for applications with up to 750 horsepower. It comes equipped with 62 jets, allowing for precise fuel tuning to optimize engine performance. The carburetor's jet sizes range from 0.035 to 0.098, catering to various engine configurations and fuel requirements.

Holley's 122-62 Jet Hot Rod Carburetor is built with durability in mind. It boasts an aluminum body that is lightweight, yet robust, and resistant to corrosion. The carburetor also comes with a brass fuel bowl, which is less susceptible to fuel deterioration and provides excellent heat dissipation.

This carburetor is easy to install and adjust, making it a popular choice among hot rod enthusiasts. It comes with a 1-7/8-inch primary bore and a 2-inch secondary bore. The primary venturi has a contoured shape that promotes smooth fuel flow, while the secondary venturi has a flat design, allowing for precise tuning and optimal air/fuel mixture.

The 122-62 Jet Hot Rod Carburetor by Holley also includes a high-performance power valve and a vacuum secondary system. The power valve helps maintain proper fuel pressure during acceleration, ensuring consistent engine performance. The vacuum secondary system allows for automatic fuel enrichment during deceleration, improving idle stability and fuel efficiency.

Additionally, this carburetor comes with adjustable idle mixture screws and an adjustable idle jet, enabling fine-tuning of the idle mixture for optimal engine performance. The carburetor's base plate is drilled for easy mounting and includes a pre-installed float bowl gasket for a hassle-free installation process.

In summary, the 122-62 Jet Hot Rod Carburetor by Holley is a high-performance, versatile fuel delivery system designed for hot rods and custom applications. With its large bore size, precise jet tuning, and durable construction, it offers excellent fuel delivery capabilities, making it an essential component for any hot rod enthusiast looking to optimize their engine's performance.

Buying a 122-62 jet Holley carburetor can be a good investment for those looking to improve the performance of their engine. Here are some pros and cons to consider before making a purchase:

1. Improved Performance: Holley carburetors are known for their ability to provide better fuel delivery and control, which can lead to improved engine performance.

2. Wide Range of Applications: The 122-62 jet Holley carburetor is suitable for a wide range of applications, including small-block Chevrolet, Ford, and Chrysler engines.

3. Customizability: Holley carburetors offer a high degree of customizability, allowing users to fine-tune the fuel mixture for their specific engine and driving conditions.

4. Durability: Holley carburetors are built to last and are known for their robust design, which can save users money in the long run.

1. Complexity: Holley carburetors can be more complex to install and tune than other types of carburetors. This may require additional time and expertise.

2. Cost: Holley carburetors can be more expensive than other types of carburetors, which may be a deterrent for some buyers.

3. Fuel Efficiency: Holley carburetors may not offer the same level of fuel efficiency as modern fuel injection systems. This can lead to higher fuel consumption and increased operating costs.

4. Maintenance: Holley carburetors require regular maintenance to ensure optimal performance, which can be time-consuming and may require specialized tools.

In conclusion, the decision to buy a 122-62 jet Holley carburetor depends on the specific needs and goals of the buyer. If improved performance and customizability are priorities, then the investment in a Holley carburetor may be worthwhile. However, if simplicity, cost, fuel efficiency, or ease of maintenance are more important considerations, then other options may be more suitable. Ultimately, it is important to weigh the pros and cons carefully and consult with a knowledgeable mechanic or carburetor specialist before making a purchase.

Recommendation: If you are considering buying a 122-62 jet Holley carburetor, I would recommend doing thorough research on the specific model and its applications to ensure that it is the right fit for your engine and driving style. It may also be beneficial to consult with a Holley carburetor specialist or mechanic to help with the installation and tuning process. Additionally, consider the long-term costs and benefits of the carburetor, including maintenance and fuel efficiency, to determine if it is a worthwhile investment for your specific situation.

part # 122-62 price

• $20.62

specifications carbcaddie:

• brand: Usa Speed
• type: Main Jets
• interchange part number: 122-62
• cross reference part number: 22-62
• manufacturer warranty: Yes
• mounting hardware included: No
• country of origin: United States

shipping carbcaddie:

• transit: 6-13 Days
• cost: $4.95
• type: Calculated
• carrier: USPS
• service: USPS Ground Advantage
• class: Standard

seller carbcaddie:

• # reviews: 46
• rating: 100.0%

offer carbcaddie:

• best offers: True
• sold: 0
• options: Ship-to-home
• quantity: 1
• started: December 9, 2025
• availability: In Stock

returns carbcaddie:

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

payments carbcaddie:

• wallet: Apple-pay
• other
• credit card: Mastercard

general carbcaddie:

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

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