HOLLEY 398239-C91 Carburetor International Auto Trans 2BBL 304 Cu.

( Brand: Holley ), ( Manufacturer Part Number: 398239-C91 ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Vintage Part: Yes ), ( Materials Sourced From: United States ), ( Performance Part: No )

Review HOLLEY Carburetor International 304 Cu. Inch Auto Trans

Introducing the Holley 398239-C91 Carburetor, specifically designed for International Harvester trucks with 304 automatic transmissions and equipped with a 2-barrel configuration. This carburetor is an excellent choice for those seeking to enhance the performance and fuel efficiency of their vehicles.

The Holley 398239-C91 Carburetor boasts a unique design that caters to the distinct needs of International Harvester 304 automatic transmission systems. It features a 2-barrel configuration, allowing for improved air and fuel mixture delivery to the engine. This results in smoother idling, quicker acceleration, and enhanced overall engine performance.

Constructed from high-quality materials, this carburetor delivers both durability and reliability. Its robust design ensures that it can withstand the rigors of everyday driving, making it a suitable option for those who rely on their vehicles for heavy-duty tasks.

The Holley 398239-C91 Carburetor also comes with several convenient features. It includes a built-in fuel pressure regulator, eliminating the need for an external regulator. Additionally, it features a primary and secondary fuel bowl drain, making maintenance a breeze.

With its unique design, high-quality construction, and convenient features, the Holley 398239-C91 Carburetor is an excellent investment for any International Harvester truck owner. Upgrade your vehicle's performance and fuel efficiency with this top-of-the-line carburetor.

The Holley 398239-C91 carburetor is a popular choice for International Harvester trucks with a 304 automatic transmission and a 2-barrel configuration. Here are some potential pros and cons to consider before making a purchase:

1. Holley is a well-known and reputable brand in the automotive aftermarket industry. They offer high-quality carburetors that are designed to provide excellent performance and reliability.

2. This specific carburetor is designed for use with a 2-barrel setup and is compatible with the International Harvester 304 automatic transmission.

3. Holley carburetors are known for their ease of tuning and adjustability, which can help improve engine performance and fuel efficiency.

4. The carburetor is available with a number of different options, such as different base plates and air cleaner configurations, to fit various applications.

1. Holley carburetors can be more expensive than some other aftermarket options. However, many people believe that the extra cost is worth it for the improved performance and reliability.

2. Installation of a Holley carburetor can be more complex than some other options, especially for those who are not experienced with carburetor tuning and adjustment.

3. The carburetor may require more frequent maintenance than some other options, especially if you are running it in a high-performance application.

In conclusion, the Holley 398239-C91 carburetor can be a great choice for International Harvester trucks with a 304 automatic transmission and a 2-barrel setup. Its reputation for quality, ease of tuning, and compatibility make it a popular choice among enthusiasts. However, its higher cost and potential complexity of installation may be drawbacks for some. Ultimately, the decision to purchase this carburetor will depend on your specific needs and budget.

If you are looking for a high-performance carburetor that is compatible with your International Harvester truck and are willing to invest in the installation and maintenance, then the Holley 398239-C91 carburetor could be a great choice for you. On the other hand, if you are looking for a more affordable option or are not confident in your ability to tune and adjust a carburetor, then you may want to consider other options. Ultimately, it's important to do your research and consult with experts to ensure that you are making the best decision for your specific application.

Details:

In with a automatic trans. This is a Holley 2 barrel carburetor. As always with used carbs this one needs to be cleaned and new gaskets installed. Choke is plate there but no linkage.

Seems to have all parts in working order. It is List# 398239-C91.

part #: 398239c91 prices

• $159.99-$279.99

specifications carbcoon:

• brand: Holley
• mpn: 398239-c91
• choke type: Mechanical
• type: Carburetor
• vintage part: Yes
• materials sourced from: United States
• performance part: No

returns carbcoon:

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

offer carbcoon:

• sold: 0
• availability: In Stock
• quantity: 1
• started: October 15, 2025
• options: Ship-to-home
• best offers: True

seller carbcoon:

• rating: 99.4%
• city: Rio Linda, California
• # reviews: 2593

general carbcoon:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
• condition: For parts or not working

payments carbcoon:

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

shipping carbcoon:

• class: Economy
• type: Fixed
• cost: $15.00
• transit: 9-15 Days
• service: Economy

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