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  3. CARTER K5-4131S

CARTER K5-4131S Afb Carburetor 4-BARREL 383

fits model: K5, 440. make: Mopar, Dodge, Plymouth. year: 1966.

K5-4131s Carter Afb 4-barrel Carburetor 4131s K5 1966 Mopar 383 440 Dodge Plymouth

( Brand: Carter ), ( Manufacturer Part Number: K5-4131S ), ( Type: Chrysler )

Review CARTER Afb 4-barrel Carburetor 4131s Mopar 383 Dodge Plymouth fits K5 440 1966

The Carter K5-4131S AFB 4-barrel carburetor is a legendary component in the automotive world, specifically designed for use with 1966 Mopar applications, including Dodge and Plymouth models equipped with the powerful 383 and 440 engines. This carburetor, a part of the Carter Thunderbolt series, is renowned for its ability to deliver exceptional power and performance.

The 4131S model features an Advanced Four-Barrel design, which optimizes fuel delivery for maximum combustion efficiency. The four venturi barrels, each with a unique metering design, ensure precise fuel mixture preparation for each cylinder under various engine operating conditions. This results in smooth power delivery and improved fuel economy.

The Carter K5-4131S AFB carburetor is equipped with a mechanical secondaries system, which provides additional fuel to the engine during wide-open throttle situations. This feature enhances engine performance and power output, making it an ideal choice for high-performance applications.

The carburetor housing is made of durable cast aluminum, while the metering blocks and floats are crafted from high-quality materials that resist wear and corrosion. The metering rods are adjustable, allowing fine-tuning of the fuel mixture for optimal engine performance.

The Carter K5-4131S AFB carburetor comes with a 1050 CFM air cleaner, designed to effectively filter incoming air while maintaining good airflow for optimal engine performance. The air cleaner is equipped with a replaceable paper element that can be easily accessed for maintenance.

The carburetor also includes a power valve kit, which helps improve engine idle stability and reduces throttle response lag. The power valve kit includes a vacuum secondary power valve, an idle mixture power valve, and a power valve assembly.

This Carter carburetor comes with mounting hardware and gaskets, making installation a straightforward process. It is also compatible with various vacuum advance systems, allowing for customization to suit specific engine applications.

In summary, the Carter K5-4131S AFB 4-barrel carburetor is a high-performance component that delivers power, efficiency, and reliability for 1966 Mopar applications, including Dodge and Plymouth models with 383 and 440 engines. Its advanced design features, such as the mechanical secondaries system and adjustable metering rods, ensure optimal engine performance and make it a top choice for both street and racing applications.

The Carter AFB 4-barrel carburetor model K5-4131S is a popular choice for restoring or upgrading 1966 Mopar 383 and 440 engines in Dodge and Plymouth vehicles. This carburetor offers several advantages and disadvantages that are essential to consider before making a purchase.

Advantages:

1. Enhanced Performance: A 4-barrel carburetor delivers more air and fuel to the engine than a single carburetor, which can lead to improved horsepower and torque.

2. Better Idle Stability: Four-barrel carburetors typically offer better idle stability compared to single carburetors, which can be beneficial for daily driving and smooth engine operation.

3. Improved Fuel Economy: With proper tuning and setup, a 4-barrel carburetor can provide better fuel economy compared to a single carburetor due to more efficient fuel delivery.

4. Wide Availability: The Carter AFB K5-4131S is a popular and widely available carburetor model, making it relatively easy to find replacement parts and support.

Disadvantages:

1. Complexity: Four-barrel carburetors are more complex than single carburetors, requiring more time and expertise for installation and tuning.

2. Cost: Four-barrel carburetors like the Carter AFB K5-4131S can be more expensive than single carburetors, both in terms of the initial purchase price and ongoing maintenance costs.

3. Increased Emissions: More fuel consumption can result in increased emissions, which may not meet modern emissions standards without additional modifications.

Ending Conclusion:

The Carter AFB K5-4131S 4-barrel carburetor offers several advantages, such as enhanced performance, better idle stability, improved fuel economy, and wide availability. However, it also comes with some disadvantages, including complexity, cost, and increased emissions. Depending on your goals, budget, and expertise, a 4-barrel carburetor like the Carter AFB K5-4131S may be an excellent choice for restoring or upgrading your 1966 Mopar 383 or 440 engine. Alternatively, you may want to consider other options, such as modern fuel injection systems or high-performance single carburetors, depending on your specific requirements and preferences.

Recommendation:

If you're looking to maximize performance and are willing to invest the time and resources for installation, tuning, and ongoing maintenance, the Carter AFB K5-4131S 4-barrel carburetor is a solid choice for your 1966 Mopar 383 or 440 engine. Make sure you have the proper knowledge and expertise to install and tune the carburetor, or seek help from a professional to ensure optimal performance and long-term reliability. If you're looking for a more cost-effective or less complex alternative, you may want to consider other options, such as a high-performance single carburetor or a modern fuel injection system.

Details:

Carter AFB 4-barrel carburetor, stamp number 4131s with date K5. See pics for condition. Please verify part number and pics match your application. Linkage moves free.

Core for rebuilding or parts.

part #: k54131s price

  • $54.00

specifications carbcoon:

  • for models: K5, 440
  • for makes: Mopar, Dodge, Plymouth
  • for years: 1966
  • brand: Carter
  • mpn: K5-4131s
  • type: Chrysler

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  • started: November 1, 2025
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general carbcoon:

  • Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
  • condition: For parts or not working
for models: k5, 440, for makes: mopar, dodge, plymouth, for years: 1966, type: chrysler,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, sku: 8725592545207781,

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