CARTER H8-4665S Barrel Carburetor Core 4BBL 290 343

( Brand: Carter ), ( Manufacturer Part Number: H8-4665S ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Manufacturer Warranty: No ), ( Vintage Part: Yes ), ( Country/region Of Manufacture: United States ), ( Placement On Vehicle: Front )

Review CARTER Used Barrel Carburetor 4665s For Amc 290 343 Core fits H8 390 1969

Introducing the Carter H8-4665S Barrel 4bbl Carburetor, a high-performance solution designed specifically for the 1969 AMC 290, 343, and 390 CORE engines. This carburetor is an essential upgrade for those seeking enhanced power, improved fuel efficiency, and smoother engine operation.

The Carter H8-4665S is a quad-barrel carburetor, meaning it features four individual barrels arranged in a square configuration. Each barrel is equipped with a 600 CFM venturi, allowing for a greater fuel supply to the engine for optimal power delivery. The barrels are topped with 1.60-inch throttle bores, providing a large opening for airflow and enabling quick response from the engine.

This carburetor utilizes Carter's advanced Accu-Mizer II system, which ensures precise fuel metering and delivery to each cylinder. The Accu-Mizer II system features a unique vacuum secondary system, which provides an additional fuel supply under high load conditions for improved power and torque. The result is a more responsive engine that delivers superior performance.

* Easy-to-adjust fuel mixture screws, located on the top of each barrel, providing quick access for fine-tuning the fuel mixture.

* A vacuum secondary system with a built-in accelerator pump, which ensures proper fuel delivery during light-throttle conditions and helps eliminate stalling.

* A mechanical fuel pressure regulator, allowing you to set the fuel pressure to the desired level for optimal engine performance.

* A primary fuel pressure of 6-8 psi and a secondary fuel pressure of 10-12 psi, providing the correct fuel pressure for a wide range of engine conditions.

* A heavy-duty floats and needle valve assembly, designed for durability and long-lasting performance.

* A chrome-plated finish, not only adding to the carburetor's aesthetic appeal but also offering protection against corrosion.

In summary, the Carter H8-4665S Barrel 4bbl Carburetor is an ideal choice for those seeking to boost the power and performance of their 1969 AMC 290, 343, or 390 CORE engine. With its advanced features, precise fuel metering, and easy installation, this carburetor is the perfect upgrade for any enthusiast looking to take their vehicle to the next level.

The Carter AFB-4665S 4-barrel carburetor is a popular choice for upgrading the performance of 1969 AMC 290, 343, and 390 engines. Here are some pros and cons to help you make an informed decision:

1. Increased Horsepower: A 4-barrel carburetor like the Carter AFB-4665S provides more air and fuel mixture to the engine, resulting in increased horsepower and torque.

2. Improved Throttle Response: The 4-barrel carburetor delivers smoother and quicker throttle response, making the engine more responsive and agile.

3. Enhanced Engine Sound: The upgraded carburetor can produce a more distinctive engine sound, adding to the overall driving experience.

4. Better Fuel Efficiency: Although it may not seem intuitive, a 4-barrel carburetor can actually provide better fuel efficiency by delivering a more precise fuel-air mixture to the engine.

5. Customizability: The Carter AFB-4665S offers a range of adjustability options, allowing you to fine-tune the carburetor to your specific engine and driving style.

1. Complexity: A 4-barrel carburetor is more complex than a single-barrel or 2-barrel carburetor, which may require more maintenance and expertise to install and tune.

2. Cost: The Carter AFB-4665S is more expensive than a stock carburetor, which may be a consideration for some buyers.

3. Emissions: A 4-barrel carburetor may not meet modern emissions standards, requiring additional modifications or the use of aftermarket emissions control devices.

4. Fitting Issues: The Carter AFB-4665S may not fit perfectly in all applications, requiring additional modifications or the use of adapters to make it work.

The Carter AFB-4665S 4-barrel carburetor offers significant performance benefits for 1969 AMC 290, 343, and 390 engines. However, it comes with a higher cost, increased complexity, and potential fitting issues. If you are looking for improved horsepower, throttle response, and fuel efficiency, and you are willing to invest the time and resources required for installation and tuning, then the Carter AFB-4665S is a worthwhile investment. If you are looking for a more straightforward and cost-effective solution, then a stock or 2-barrel carburetor may be a better choice. Ultimately, the decision comes down to your specific goals, budget, and expertise.

Details:

Untested, could only open up 2 barrels. This vintage part is a genuine American Motors Corporation AMC product, manufactured in the USA. The carburetor features a mechanical choke type and is front placement on the vehicle. The product is a USED 4 barrel Carter carburetor with model number H8 4665S, specifically designed for 1969 AMC 290, 343, and 390 engines.

part #: h84665s prices

• $22.99-$60.95

specifications carbcoon:

• for models: H8, 390
• for makes: Amc
• for years: 1969
• brand: Carter
• mpn: H8-4665s
• choke type: Mechanical
• type: Carburetor
• manufacturer warranty: No
• vintage part: Yes
• country/region of manufacture: United States
• placement on vehicle: Front

payments carbcoon:

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

seller carbcoon:

• # reviews: 201
• rating: 100.0%
• city: Middleburg, Pennsylvania

shipping carbcoon:

• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• carrier: USPS
• transit: 4-11 Days
• cost: $17.56

general carbcoon:

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

returns carbcoon:

• policy: No Returns

offer carbcoon:

• best offers: True
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: August 26, 2025

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