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  3. HOLLEY 122-73

HOLLEY 122-73 Carburetor Standard Jet 090127021767

122-73 Holley Carburetor Standard Main Jet

( Brand: Holley ), ( Part Type: Jet Carburetor ), ( Manufacturer Part Number: 122-73 ), ( UPC: 090127021767 )

Review HOLLEY Carburetor Standard Main Jet

The Holley 122-73 carburetor is a classic automotive component known for its durability and performance in various applications. This carburetor is part of Holley's 2-barrel series, designed to deliver reliable fuel delivery for both street and racing applications. This specific model, the 122-73, is a standard jet version, which offers versatility in tuning and customization.

The Holley 122-73 carburetor features a 750 CFM (cubic feet per minute) air flow capacity, making it suitable for larger engines requiring more fuel for optimal performance. Its primary jet size is 0.068 inches, with secondary jets sized at 0.078 inches, providing a proper fuel-air mixture for efficient combustion.

This carburetor comes with a 6-71 intake manifold baseplate, allowing it to be used on various engines. It also includes a floater bowl, which helps maintain a consistent fuel level and prevents vapor lock. The Holley 122-73 carburetor is equipped with a mechanical secondary system, which provides additional fuel enrichment during full throttle conditions for improved power and drivability.

The 122-73 carburetor is also known for its adjustability, with various features that enable fine-tuning for specific engine requirements. These adjustments include the primary and secondary throttle shafts, idle mixture screws, and main jet needle and seat. The carburetor's base plate and linkage bracket are also adjustable, allowing for proper alignment and optimal performance.

The Holley 122-73 carburetor is made with high-quality materials, ensuring durability and longevity. Its brass bodies and stainless steel components resist corrosion and wear, ensuring consistent performance even in harsh environments. Additionally, it comes with a 14-inch long, 1 3/8-inch diameter venturi, providing ample fuel delivery for larger engines.

Overall, the Holley 122-73 carburetor is a reliable and versatile component for any automotive enthusiast looking for improved engine performance. Its standard jet configuration offers the ability to fine-tune fuel delivery for various applications, making it a popular choice among car builders and racers. With its durability, adjustability, and high air flow capacity, the Holley 122-73 carburetor is a must-have for anyone seeking to enhance their engine's power and efficiency.

The Holley 122-73 carburetor, also known as the "4150" or "Dominator," is a popular choice for performance enthusiasts due to its versatility and high-performance capabilities. Here are some pros and cons to consider before making a purchase:

Pros:

1. Versatility: The Holley 122-73 carburetor is suitable for a wide range of applications, from street rods to race cars. It can be used with various fuel systems, including gasoline, methanol, and nitrous oxide.

2. High-Performance: The carburetor offers excellent air/fuel mixture control, which leads to improved engine performance. It also has a large vacuum secondaries chamber, providing better idle quality and vacuum control.

3. Customizability: Holley offers a wide range of optional components, such as different jets, emulsion tubes, and power valves, allowing users to fine-tune the carburetor for their specific application.

4. Durability: The Holley 122-73 carburetor is built to last, with high-quality materials and robust construction. It has a billet aluminum base and heavy-duty cast aluminum body.

5. Easy to Install: The carburetor comes with detailed instructions, making it relatively easy to install for the average DIYer.

Cons:

1. Complexity: The Holley 122-73 carburetor is a complex piece of machinery, with many adjustments and components. This can be intimidating for some users, particularly those new to carburetors.

2. Cost: The carburetor is more expensive than some other options on the market. The cost of additional components, such as jets and emulsion tubes, can also add to the overall expense.

3. Maintenance: The Holley 122-73 carburetor requires regular maintenance, including adjustments to idle mixture and vacuum secondary settings, jet changes for different fuel and altitude conditions, and periodic cleaning or rebuilding.

4. Fuel Economy: The carburetor may not offer the best fuel economy compared to modern fuel injection systems.

Conclusion:

The Holley 122-73 carburetor is an excellent choice for those seeking high performance and versatility in their automotive application. Its durability, customizability, and ease of installation make it a popular option among enthusiasts. However, its complexity, cost, and maintenance requirements should be considered before making a purchase. Ultimately, the decision to buy a Holley 122-73 carburetor depends on your specific needs, budget, and comfort level with carbureted systems.

Recommendation:

If you are looking for a high-performance carburetor for your project vehicle and are willing to invest the time and resources into its maintenance, the Holley 122-73 carburetor could be an excellent choice. However, if you are on a tight budget or prefer a simpler, more low-maintenance option, you may want to consider alternative carburetors or fuel injection systems.

part # 12273 prices

  • $14.69-$15.28

specifications carbcaddie:

  • brand: Holley
  • part type: Jet Carburetor
  • manufacturer part number: 122-73
  • upc: 090127021767

payments carbcaddie:

  • other
  • wallet: Paypal
  • credit card: Diners-club

offer carbcaddie:

  • started: March 3, 2025
  • options: Ship-to-home
  • quantity: 10
  • sold: 0
  • availability: In Stock

shipping carbcaddie:

  • type: Fixed
  • service: UPS Ground
  • carrier: UPS
  • class: Standard
  • transit: 3-7 Days
  • cost: $11.95

general carbcaddie:

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

seller carbcaddie:

  • # reviews: 14191
  • rating: 98.8%

returns carbcaddie:

  • policy: Returns Accepted
  • paid by: Buyer
  • time: 30 Days
part type: jet carburetor,
category: auto parts > car truck parts accessories > air fuel delivery > carburetor parts, sku: 2541351070889532,

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