CARTER 4413S Afb Carburetor Carb 4-BARREL

( Brand: Carter ), ( Manufacturer Part Number: 4413S ), ( Type: Grand Prix Gp )

Review CARTER Afb 4-barrel Carburetor Carb Pontiac fits FIREBIRD LEMANS GTO 400 1967

The Carter AFB 4-barrel carburetor, model 4413S, is a legendary automotive component that was originally designed for use with the powerful 1967 Pontiac 400 cubic inch engines found in Firebird, GTO, and Lemans models. This carburetor is a testament to Carter's long-standing reputation for producing high-performance fuel delivery systems.

The 4413S is a quad-barrel carburetor, meaning it has four separate barrels arranged in a square configuration. Each barrel features a unique throttle butterfly, allowing for optimal fuel delivery to each cylinder under various engine loading conditions. The carburetor's design ensures a smooth and consistent power band, translating to impressive torque and horsepower output.

The Carter AFB 4-barrel carburetor is equipped with a mechanical secondary system. This system, also known as a "power pulse" or "vacuum secondary," is designed to provide an additional fuel mixture during full throttle conditions. The secondary system enhances the engine's overall performance by improving combustion efficiency, resulting in increased power and improved fuel economy.

1. Accelerator pump: This component delivers additional fuel to the engine during rapid acceleration, ensuring a smooth and powerful response.

2. Fuel bowls: Each barrel has an individual fuel bowl to maintain optimal fuel level and prevent vapor lock.

3. Linkage brackets: The carburetor includes mounting brackets for the accelerator pedal, throttle linkage, and choke linkage, making installation quick and straightforward.

4. Float bowls: The 4413S comes with large, 2-quart float bowls for ample fuel capacity and improved fuel delivery efficiency.

5. Emulsion tubes: These tubes mix the fuel and air inside the carburetor, ensuring proper fuel atomization for efficient combustion.

In summary, the Carter AFB 4-barrel carburetor, model 4413S, is a must-have component for any enthusiast restoring or building a high-performance 1967 Pontiac 400 engine. Its unique design, mechanical secondary system, and comprehensive set of features make it an excellent choice for those seeking power, reliability, and a smooth driving experience.

The Carter AFB 4-barrel carburetor (Model 4413S) was a popular choice for high-performance applications on 1960s Pontiac engines, including the 400 cubic inch Firebird, GTO, and Lemans models. Here are some pros and cons to consider before deciding to purchase this carburetor for your vehicle:

1. Improved Performance: Installing a 4-barrel carburetor, like the Carter AFB 4413S, can significantly increase the engine's horsepower and torque, resulting in better acceleration and overall performance.

2. Smoother Idle: This carburetor offers a smoother idle compared to a single or two-barrel carburetor, which can lead to a more pleasurable driving experience.

3. Wide Range of Adjustments: The Carter AFB 4413S offers a wide range of adjustments, allowing you to fine-tune the carburetor for optimal performance under various driving conditions.

4. Classic Appeal: Installing a 4-barrel carburetor on your Pontiac can add to its classic appearance, making it a desirable choice among car enthusiasts.

1. Complexity: Installing and maintaining a 4-barrel carburetor is more complex than a single or two-barrel carburetor. It requires more time, effort, and expertise to set up and fine-tune.

2. Cost: The Carter AFB 4413S is more expensive than a single or two-barrel carburetor, and the installation process may also incur additional costs for parts and labor.

3. Fuel Efficiency: A 4-barrel carburetor can lead to decreased fuel efficiency due to the increased air and fuel mixture required for optimal performance.

4. Emissions: Installing a 4-barrel carburetor can increase exhaust emissions, making it less environmentally friendly compared to modern fuel injection systems.

The decision to purchase a Carter AFB 4413S for your 1967 Pontiac 400 Firebird, GTO, or Lemans ultimately depends on your priorities. If you're looking for improved performance, smoother idle, and the classic appeal of a 4-barrel carburetor, then this may be the right choice for you. However, if you're concerned about the complexity, cost, fuel efficiency, or emissions, you may want to consider other options. Ultimately, careful consideration and research can help you make an informed decision that best suits your needs and goals.

If you decide to purchase a Carter AFB 4413S for your 1967 Pontiac, it is highly recommended that you work with a professional mechanic or carburetor specialist to ensure proper installation and fine-tuning. This will help minimize potential issues and maximize the performance benefits of the new carburetor. Additionally, consider investing in high-quality aftermarket parts to ensure long-term durability and reliability.

Details:

Carter AFB 4-Barrel Carburetor Carb 4413S 1967 Pontiac 400 Firebird GTO Lemans Pretty complete, top cover screws all turn casting broken for idle adjustments shafts free.

part #: 4413s prices

• $61.00-$90.00

specifications carbcoon:

• for models: Gto, 400, Firebird, Lemans
• for makes: Pontiac
• for years: 1967
• brand: Carter
• mpn: 4413s
• type: Grand Prix Gp

shipping carbcoon:

• cost: $14.58
• carrier: USPS
• type: Calculated
• class: Standard
• service: USPS Ground Advantage
• transit: 4-9 Days

returns carbcoon:

• policy: No Returns

seller carbcoon:

• # reviews: 4399
• city: Vincentown, New Jersey
• rating: 99.9%

payments carbcoon:

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

offer carbcoon:

• started: February 21, 2026
• availability: In Stock
• sold: 0
• quantity: 1
• best offers: True
• options: Ship-to-home

general carbcoon:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
• condition: Used

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