HOLLEY 122-58 Carburetor Standard Jet 090127021460

( Brand: Holley ), ( Part Type: Jet Carburetor ), ( Manufacturer Part Number: 122-58 ), ( UPC: 090127021460 )

Review HOLLEY Carburetor Standard Main Jet

The Holley 122-58 Carburetor is a high-performance, four-barrel carburetor designed for street and strip applications. This carburetor is part of Holley's Classic Series, which offers a classic appearance with modern fuel management capabilities.

The Holley 122-58 Carburetor features a 750 CFM (cubic feet per minute) flow rate, making it suitable for large displacement engines. It comes with standard jets, including primary jets ranging from 0.041 to 0.098 inches and secondary jets ranging from 0.022 to 0.098 inches. This versatility allows for fine-tuning to meet specific engine requirements.

The Holley 122-58 Carburetor boasts a number of advanced features. It comes with a vacuum secondary system, which helps to ensure optimal fuel delivery under various engine conditions. The primary and secondary metering rods are adjustable, allowing for easy tuning. The carburetor also includes a built-in fuel pressure regulator, which maintains a consistent fuel pressure to the carburetor.

The Holley 122-58 Carburetor is constructed of high-quality materials for durability and longevity. It has a brass body, stainless steel linkage, and a chrome plated float bowl. The carburetor is also compatible with Holley's Electric Choke System and Air Bubble Kit for easy cold starting.

The Holley 122-58 Carburetor is designed to provide reliable and consistent fuel delivery, making it a popular choice among hot rodders and performance enthusiasts. Its classic appearance, combined with modern fuel management capabilities, makes it a great addition to any high-performance engine.

The Holley 122-58 carburetor, also known as the "Double Pumper" or "4150-style" carburetor, is a popular choice among hot rodders and performance enthusiasts due to its ability to deliver large amounts of fuel for high horsepower applications. Here are some pros and cons to consider before deciding to purchase a Holley 122-58 carburetor:

1. High-Performance: The Holley 122-58 carburetor is designed to deliver large amounts of fuel, making it an excellent choice for high-performance applications. It is capable of supporting up to 1,050 horsepower.

2. Versatile: This carburetor is available in various configurations, including single plane, double pumper, and quadrajet, making it a versatile option for different types of engines and applications.

3. Easy to Tune: The Holley 122-58 carburetor is known for its ease of tuning. Holley offers a wide range of jetting options, making it easier to achieve optimal fuel delivery for different engine configurations.

4. Durable: Holley carburetors are known for their durability. The 122-58 model is no exception. It is built with high-quality materials and is designed to withstand the rigors of high-performance applications.

5. Wide Availability: The Holley 122-58 carburetor is widely available from various retailers, making it easy to find and purchase.

1. Complexity: Compared to a single carburetor, a Holley 122-58 carburetor is more complex to install and tune. It requires more time and expertise to set up properly.

2. Cost: The Holley 122-58 carburetor is more expensive than a standard carburetor. The cost of the carburetor itself, as well as the cost of the necessary tuning equipment and jets, can add up quickly.

3. Fuel Efficiency: Due to its high-performance capabilities, the Holley 122-58 carburetor may not be the most fuel-efficient option. It is designed to deliver large amounts of fuel, which can lead to increased fuel consumption.

4. Maintenance: The Holley 122-58 carburetor requires regular maintenance to ensure optimal performance. This includes regular jetting adjustments, float level checks, and cleaning or replacing filters.

The Holley 122-58 carburetor is a high-performance, versatile, and durable option for hot rodders and performance enthusiasts. However, it comes with some drawbacks, including complexity, cost, and fuel efficiency. Ultimately, the decision to purchase a Holley 122-58 carburetor depends on your specific needs and budget. If you're looking for maximum power and are willing to invest the time and resources into tuning and maintenance, then this carburetor may be a good choice for you. If you're looking for a more affordable and fuel-efficient option, then you may want to consider a different carburetor.

If you are considering purchasing a Holley 122-58 carburetor, it is recommended that you do your research and consult with a knowledgeable professional to ensure that it is the right choice for your application. Additionally, be prepared to invest the time and resources into tuning and maintenance to achieve optimal performance. If you're not confident in your ability to do this yourself, consider hiring a professional to help you get started. Lastly, make sure to purchase the carburetor from a reputable dealer to ensure that you're getting a genuine Holley product.

part # 12258 prices

• $14.69-$37.21

specifications carbcaddie:

• brand: Holley
• part type: Jet Carburetor
• manufacturer part number: 122-58
• upc: 090127021460

returns carbcaddie:

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

shipping carbcaddie:

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

offer carbcaddie:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: February 17, 2025
• quantity: 10

general carbcaddie:

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

seller carbcaddie:

• rating: 98.8%
• # reviews: 14079

payments carbcaddie:

• credit card: Diners-club
• wallet: Paypal
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