HOLLEY 12R-4328-B Carburetor 1-BARREL 7583 2372 1-5/16

( Brand: Holley ), ( Manufacturer Part Number: 12R-4328-B ), ( Type: Carburetor ), ( Choke Type: Mechanical ), ( Features: Down Draft ), ( Material: Aluminum ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review HOLLEY Model 1-barrel Carburetor 1-5/16 Inch Untested fits 1920

The Holley 12r-4328-B 1920 1-barrel carburetor, also known as part number 7583-2372-1-5/16, is a high-performance, vintage-style carburetor designed for hot rods and custom applications. This carburetor features a classic 1-barrel design with a polished aluminum finish that adds a touch of elegance to any engine bay.

The Holley 12r-4328-B is a 1920s-style carburetor, which means it has a unique and timeless appearance that is often preferred in hot rod and custom builds. This carburetor is suitable for both gasoline and methanol applications, making it a versatile choice for a wide range of engines.

The Holley 12r-4328-B is equipped with a 1-barrel, 350 CFM (cubic feet per minute) venturi, which provides excellent airflow and throttle response. The carburetor also features a 1.5/16-inch primary bore, which allows for precise fuel delivery and tuning. The secondary venturi is adjustable, allowing users to fine-tune the fuel mixture for optimal performance.

This carburetor comes with a 650 CFM secondary, which helps ensure smooth and consistent power delivery throughout the RPM range. The secondary also features a vacuum secondaries system, which allows for vacuum advance and maintains optimal fuel delivery during deceleration and idle.

The Holley 12r-4328-B is built with high-quality materials and precision machining, ensuring durability and reliability. The carburetor body is made from aluminum, which is both lightweight and strong, while the bowls and floats are made from glass-filled nylon for added strength and resistance to corrosion.

The Holley 12r-4328-B also comes with a variety of features and options to make installation and tuning easier. These include a removable bowl kit, adjustable idle mixture screws, and a fuel bowl drain plug. The carburetor also comes with a Holley 0-80 carburetor kit, which includes all the necessary hardware for installation.

Overall, the Holley 12r-4328-B 1920 1-barrel carburetor is a high-performance, vintage-style carburetor that offers excellent airflow, throttle response, and power delivery. Its timeless design, coupled with its versatility and ease of tuning, make it an ideal choice for hot rod and custom applications.

The Holley 12-4328-B 1920 1-barrel carburetor is a popular choice among hot rod and custom car enthusiasts due to its classic appearance and reliable performance. However, like any other automotive component, it comes with its own set of pros and cons.

1. Classic Appearance: This carburetor has a classic look that is highly desirable in the hot rod and custom car community. Its polished finish and single barrel design add to the aesthetic appeal of the vehicle.

2. Wide Compatibility: This carburetor is compatible with a wide range of applications, including small-block Chevrolet, Ford, and Chrysler engines. It can also be used in street rods, custom cars, and race cars.

3. Adjustable Features: This carburetor comes with adjustable features that allow for fine-tuning of the fuel mixture for optimal performance. This includes adjustable jets, emulsion tubes, and primary and secondary metering rods.

4. Durable Construction: The Holley 12-4328-B is made with high-quality materials that ensure durability and long-lasting performance. It features a heavy-duty cast aluminum body, billet aluminum fuel bowls, and hardened steel floats.

1. Complexity: Compared to modern fuel injection systems, carburetors like the Holley 12-4328-B are more complex to tune and maintain. It requires a certain level of expertise to adjust the various components for optimal performance.

2. Fuel Efficiency: Carburetors in general are less fuel-efficient than modern fuel injection systems. This can lead to higher fuel consumption and increased operating costs.

3. Emissions: Carburetors can produce higher levels of emissions compared to fuel injection systems due to their inability to accurately control the fuel mixture. This can be a concern for those who prioritize emissions reduction.

The Holley 12-4328-B 1920 1-barrel carburetor offers a classic appearance, wide compatibility, adjustable features, and durable construction that make it a popular choice among hot rod and custom car enthusiasts. However, it also comes with the complexity of tuning and maintaining, lower fuel efficiency, and higher emissions compared to modern fuel injection systems. Ultimately, the decision to buy this carburetor depends on personal preferences, expertise, and priorities.

If you are looking for a classic look and are comfortable with the complexity of tuning and maintaining a carburetor, then the Holley 12-4328-B 1920 1-barrel carburetor is a great choice. However, if you prioritize fuel efficiency and emissions reduction, then a modern fuel injection system may be a better option. It is important to weigh the pros and cons carefully and consider your expertise level before making a purchase decision.

Details:

Please look at pictures under the Zoom feature to determine value and condition for yourself. He did, however, state that he thought the carburetor was removed from a six cylinder Ford. He was an older gentleman and could not provide a history on most parts.

part #: 12r4328 prices

• $65.00-$78.00

specifications carbcoon:

• for years: 1920
• brand: Holley
• mpn: 12r-4328-b
• type: Carburetor
• choke type: Mechanical
• features: Down Draft
• material: Aluminum
• vintage part: Yes
• country of origin: United States

shipping carbcoon:

• type: Calculated
• cost: $11.96
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• transit: 4-9 Days

returns carbcoon:

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

payments carbcoon:

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

seller carbcoon:

• rating: 100.0%
• city: Lake Alfred, Florida
• # reviews: 2259

general carbcoon:

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

offer carbcoon:

• sold: 0
• options: Ship-to-home
• started: January 19, 2026
• quantity: 1
• availability: In Stock

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