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  3. CARTER 4635S

CARTER 4635S Avs Carburetor 4-BARREL 383 413

fits model: D8, 340. make: Mopar. year: 1968-69.

4635s Carter Avs 4-barrel Carburetor D8 1968-69 Mopar 340 383 413

( Brand: Carter ), ( Manufacturer Part Number: 4635S ), ( Type: Carburetor ), ( Country/region Of Manufacture: United States )

Review CARTER Avs 4-barrel Carburetor Mopar 383 413 fits D8 340 1968-69

The Carter AVS 4-barrel carburetor, model number 4635s D8, is a legendary automotive component that was widely used in Mopar muscle cars during the late 1960s, specifically on 340, 383, and 413 engines from 1968 to 1969. This carburetor is a testament to Carter's commitment to engineering high-performance fuel delivery systems for the high-performance automotive market.

The Carter 4635s D8 carburetor is a quad-barrel design, which means it features four separate barrels instead of the typical single barrel or two-barrel setups. Each barrel is designed to deliver an optimal air-fuel mixture to each cylinder bank, enhancing the engine's overall power output and efficiency.

The carburetor's body is made of high-quality cast aluminum, ensuring durability and longevity even under the most demanding driving conditions. Its design is a classic example of Carter's attention to detail, with smooth, rounded edges and precise machining that exudes an air of craftsmanship.

The Carter 4635s D8 carburetor features an Accelerator Pump Venturi System (AVS), which utilizes an accelerator pump that delivers additional fuel to the throttle bodies during rapid acceleration. This design helps ensure smooth power delivery and instant response, making it an ideal choice for high-performance applications.

The carburetor's throttle bodies are equipped with mechanical secondaries, which provide additional fuel to the engine under wide-open throttle conditions. This design feature allows the engine to produce maximum power, making it a favorite among muscle car enthusiasts.

The Carter 4635s D8 carburetor is also easy to tune and adjust. Its design includes multiple adjustment points, including primary and secondary idle mixture screws, power valve adjustments, and accelerator pump adjustments. These adjustments allow fine-tuning of the carburetor to optimize engine performance for different driving conditions and fuel types.

In summary, the Carter 4635s D8 4-barrel carburetor for 1968-69 Mopar 340, 383, and 413 engines is a high-performance, durable, and adjustable fuel delivery system that was a staple in the muscle car era. Its sleek design, impressive power delivery, and ease of tuning make it a favorite among classic car enthusiasts and restorers.

The Carter AVS 4-barrel carburetor, specifically the Carter 4635S model, was used on various Mopar V8 engines from 1968 to 1969, including the 340, 383, and 413 cubic inch engines. Here are some pros and cons of installing this carburetor on your Mopar:

Pros:

1. Improved Performance: The 4-barrel carburetor setup provides better air and fuel mixture, resulting in improved engine performance.

2. Increased Power: This carburetor setup can help increase horsepower and torque, making your Mopar more powerful.

3. Smoother Idle: The Carter AVS carburetor is known for its smooth idle and throttle response, which can enhance your driving experience.

4. Fuel Efficiency: A properly tuned 4-barrel carburetor can provide better fuel efficiency compared to a single or two-barrel carburetor.

Cons:

1. Complexity: The 4-barrel carburetor setup is more complex than a single or two-barrel setup, which means more parts to maintain and potentially more issues to troubleshoot.

2. Cost: Installing and maintaining a 4-barrel carburetor can be more expensive than a single or two-barrel setup due to the additional parts and labor required.

3. Fuel Consumption: The improved performance and power may come at the cost of increased fuel consumption.

4. Tuning: Properly tuning the 4-barrel carburetor to optimize performance can be a challenging task, requiring specialized knowledge and tools.

In conclusion, while the Carter AVS 4-barrel carburetor offers improved performance, increased power, smoother idle, and potential fuel efficiency benefits for your Mopar, it also comes with the complexity, cost, and fuel consumption drawbacks. Ultimately, whether or not to install this carburetor depends on your personal priorities and budget. If you value performance and power and are willing to invest in the maintenance, then the Carter AVS 4-barrel carburetor may be the right choice for you. However, if you prioritize simplicity and affordability, then a single or two-barrel carburetor may be a better fit for your Mopar.

Details:

Thanks Casting 4635S, date code D8. Fits 68-69 Chrysler 440, 383, 413. Vintage Carter AVS carburetor plus rebuild kit. Please feel free to ask question before purchasing.

part #: 4635s prices

  • $95.00-$750.00

specifications carbcoon:

  • for models: D8, 340
  • for makes: Mopar
  • for years: 1968-69
  • brand: Carter
  • mpn: 4635s
  • type: Carburetor
  • country/region of manufacture: United States

shipping carbcoon:

  • transit: 3-9 Days
  • type: Calculated
  • class: Standard
  • service: USPS Ground Advantage, FedEx Ground or FedEx Home Delivery
  • carrier: USPS, FedEx
  • cost: $14.24

general carbcoon:

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

returns carbcoon:

  • policy: No Returns

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offer carbcoon:

  • options: Ship-to-home
  • sold: 0
  • quantity: 1
  • availability: In Stock
  • started: July 30, 2025

seller carbcoon:

  • rating: 100.0%
  • # reviews: 1029
  • city: Dallas, Texas
for models: d8, 340, for makes: mopar, for years: 1968-69, type: carburetor, country/region of manufacture: united states,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, sku: 7431180277303771,

Carter 4635S Is Similar To:

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5 offers $95.00–$750.00 USD
  • Offer #1: $750.00 price + $42.86 shipping estimate = $792.86* total. Fresh rebuild You are bidding on a 1968 Dodge, Plymouth & Chrylser 383 engine, automatic transmission with air condition rebuilt Carter AVS carburetor.+$42.86 shipping
  • Offer #2: $95.00 price + $0.00 shipping estimate = $95.00* total. Core for rebuilding or parts. Linkage wiggles but does not move free.FREE SHIPPING
  • Offer #3: $400.00 price + $55.00 shipping estimate = $455.00* total. All are for 1968 mopars chrysler 383. Original condition lot of 7 Carburetors.+$55.00 shipping
  • Offer #4: $400.00 price + $40.00 shipping estimate = $440.00* total. SOLD AS IS WHERE IS.+$40.00 shipping
  • Offer #5: $95.00 price + $17.25 shipping estimate = $112.25* total. Other AVS carburetors could use this kit. An NOS, in the original box, AVS carburetor gasket kit part number 2933169 for 1968 Dodge, and Plymouth vehicles with the 340 engines.+$17.25 shipping

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