1. USED Car/Truck Carburetors Items
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  3. HOLLEY 3855279

HOLLEY 3855279 Barrel Spreadbore Carb Cfm 600-650

fits model: 650.

3855279 Holley 4 Barrel 650 Spreadbore Carb 600-650 Cfm

( Brand: Holley ), ( Manufacturer Part Number: 3855279 ), ( Type: Carburetor )

Review HOLLEY Barrel Spreadbore Carb 600-650 Cfm fits 650

The Holley 3855279 650 CFM Spreadbore Double Pumper Carburetor is a high-performance addition to any hot rod or custom-built engine. This carburetor is designed for applications requiring a greater flow rate than a standard carburetor, making it an excellent choice for high-performance engines.

The Spreadbore design of this carburetor offers improved air flow and better fuel distribution, leading to improved engine performance and efficiency. The barrels are 650 CFM, making it suitable for engines that require a large volume of air and fuel. The double pumper configuration ensures that the carburetor can deliver the necessary fuel to the engine at all RPMs, providing smooth and consistent power delivery.

The Holley 3855279 carburetor features a high-quality construction with a polished finish, adding a touch of style to any engine bay. The bowl is cast aluminum, providing excellent durability and heat dissipation capabilities. The carburetor comes with a new-generation Holley vacuum secondary system, which offers improved idle and mid-range performance.

The Holley 3855279 carburetor is also equipped with Holley's proven internal parts, including a 650 CFM primary and 1150 CFM secondary venturi, high-performance jets, and needle and seat kit. These components are designed to provide reliable and consistent performance, even in the most demanding conditions.

The Holley 3855279 carburetor also includes a number of convenient features, such as a removable float bowl for easy maintenance, adjustable idle mixture screws, and a built-in air bleed system. These features make it easy to tune and adjust the carburetor to suit the specific needs of your engine.

Overall, the Holley 3855279 650 CFM Spreadbore Double Pumper Carburetor is a high-performance, reliable, and stylish addition to any hot rod or custom-built engine. Its Spreadbore design, double pumper configuration, and high-quality construction make it an excellent choice for engines that require a large volume of air and fuel. With its proven internal parts and convenient features, this carburetor is sure to provide consistent and reliable performance, making it an essential component for any serious hot rodder or custom car builder.

The Holley 3855279 650 CFM Spreadbore Double-Pumper Carburetor is a popular choice among automotive enthusiasts for their hot rods and muscle cars. Below are some pros and cons that may help you make an informed decision about purchasing this carburetor.

Pros:

1. Wide CFM Range: This carburetor offers a wide CFM range of 600-650, making it suitable for various engine sizes and power requirements.

2. Easy Installation: Holley carburetors are known for their ease of installation. This 650 CFM Spreadbore Double-Pumper Carburetor is no exception.

3. Fuel Efficiency: This carburetor delivers excellent fuel efficiency, ensuring optimal engine performance while minimizing fuel consumption.

4. Smooth Idle: The carburetor features a smooth idle circuit, ensuring that the engine runs smoothly at low RPMs.

5. Easy to Tune: Holley carburetors are easy to tune, allowing users to adjust the mixture to their specific engine requirements.

6. Durable Design: The carburetor is built with high-quality materials and features a durable design that can withstand the rigors of high-performance driving.

Cons:

1. Expensive: The Holley 3855279 650 CFM Spreadbore Double-Pumper Carburetor is more expensive than some other carburetors in its class.

2. Complex Design: The carburetor's complex design may make it more challenging to install and tune for some users.

3. Requires Adjustments: This carburetor may require frequent adjustments to maintain optimal performance, especially when making changes to the engine or driving conditions.

Conclusion:

The Holley 3855279 650 CFM Spreadbore Double-Pumper Carburetor is a high-performance carburetor that offers excellent fuel efficiency, smooth idle, and easy tuning. Its wide CFM range and durable design make it a popular choice among automotive enthusiasts. However, its complex design and high cost may make it a less attractive option for some users. Ultimately, the decision to purchase this carburetor depends on your specific engine requirements, budget, and level of expertise in carburetor installation and tuning.

Recommendation:

If you are in the market for a high-performance carburetor and have the budget for it, the Holley 3855279 650 CFM Spreadbore Double-Pumper Carburetor is an excellent choice. Its smooth idle, fuel efficiency, and ease of tuning make it a popular choice among car enthusiasts. However, if you are on a tighter budget or are not comfortable with the complexities of carburetor installation and tuning, there may be other options that better suit your needs. It's always a good idea to do your research and consult with a knowledgeable mechanic or carburetor expert before making a final decision.

Details:

600-650 cfm , charcoal.Part # 3855279, item 3585, Part 3855279. For sale a Holley4 barrel 650spreadbore carb from 1999 Volvo 5.7 GL GM 350. This came off a working motor that had been dry started and too expensive to fix so we parted it out.

part #: 3855279 prices

  • $400.00-$450.00

specifications carbcoon:

  • for models: 650
  • brand: Holley
  • mpn: 3855279
  • type: Carburetor

shipping carbcoon:

  • carrier: USPS
  • class: Standard
  • transit: 2-5 Days
  • cost: $45.00
  • service: USPS Ground Advantage
  • type: Fixed

payments carbcoon:

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

offer carbcoon:

  • started: April 10, 2025
  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0

general carbcoon:

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

seller carbcoon:

  • rating: 99.6%
  • # reviews: 4099
  • city: Detroit Lakes, Minnesota

returns carbcoon:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Buyer
for models: 650, type: carburetor,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, sku: 5575380723496622,

Holley 3855279 Is Similar To:

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2 offers $400.00–$450.00 USD
  • Offer #1: $400.00 price + $18.50 shipping estimate = $418.50* total. Clean unit. Used Volvo Penta -- HOLLEY 4 BARREL Carburetor.+$18.50 shipping
  • Offer #2: $450.00 price + $49.70 shipping estimate = $499.70* total. 600-650 cfm, charcoal. Part #.+$49.70 shipping

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