HOLLEY 3CMB4780 Carburetor Body Cfm Double Pumper Racing 4150 4-BARREL

( Brand: Holley ), ( Type: Carburetor ), ( Manufacturer Part Number: 3CMB4780 ), ( Country Of Origin: United States )

Review HOLLEY 4150 4-barrel 3c 4780 Carburetor Main Body Cfm Double Pumper Racing fits 800

The Holley 3CMB4780 4150 4-barrel 3C carburetor body is a high-performance racing carburetor designed to deliver exceptional airflow and fuel delivery for powerful and efficient engine operation. This carburetor body is part of Holley's 3C series, which is known for its advanced engineering and innovative design.

The Holley 3CMB4780 carburetor body is rated for a flow rate of 800 CFM at 0.050 inch lift, making it an excellent choice for high-performance applications where increased airflow is essential. It features a 4-barrel configuration, which is ideal for delivering precise fuel and air mixtures to each cylinder for optimal combustion.

This carburetor body is a double pumper design, which means it utilizes two fuel pumps to ensure consistent fuel delivery under various engine conditions. The primary pump is responsible for supplying fuel during idle and cruising conditions, while the secondary pump kicks in during high-performance situations, such as wide-open throttle or high RPMs.

The Holley 3CMB4780 carburetor body is constructed from high-quality materials, including a billet aluminum baseplate and a cast aluminum body. This not only ensures durability and longevity but also provides excellent heat dissipation capabilities, which is essential for maintaining optimal engine performance.

Additionally, this carburetor body comes with a number of advanced features, such as adjustable idle mixture screws, adjustable main jets, and adjustable power valves. These features allow for fine-tuning of the fuel and air mixture to optimize engine performance and efficiency under various operating conditions.

Overall, the Holley 3CMB4780 4150 4-barrel 3C carburetor body is an excellent choice for high-performance racing applications where increased airflow and precise fuel delivery are essential. Its advanced engineering, innovative design, and high-quality construction make it a top choice among racers and performance enthusiasts.

The Holley 3CMb4780 4150 4-barrel 3 Carter 4780 carburetor body, with a double pumper and 800 CFM, is a popular choice among racers and performance enthusiasts. This carburetor offers several advantages and disadvantages.

1. High Air Flow: With an 800 CFM air flow rate, this carburetor is suitable for high-performance applications, making it a popular choice for racing.

2. Double Pumper: The double pumper design allows for increased vacuum and better fuel atomization, resulting in improved performance and throttle response.

3. Adjustability: Holley carburetors are known for their adjustability, and this 4780 model is no exception. It offers multiple adjustment points, including the primary and secondary circuit, allowing for fine-tuning to optimize engine performance.

4. Durability: Holley carburetors are built to last, and the 4780 model is no exception. It features heavy-duty components, including a cast aluminum body and hard-anodized aluminum components, making it a reliable choice for high-performance applications.

1. Complexity: The double pumper design and multiple adjustment points make this carburetor more complex than some other options, requiring more expertise to install and tune.

2. Cost: The high-performance features and durability of this carburetor come at a cost. It is more expensive than some other options, making it a less practical choice for budget-conscious enthusiasts.

3. Fuel Efficiency: Due to its high-performance design, this carburetor is not the most fuel-efficient option. It is best suited for applications where maximum power output is the priority.

The Holley 3CMb4780 4150 4-barrel 3 Carter 4780 carburetor body, with a double pumper and 800 CFM, is a high-performance carburetor that offers several advantages, including increased air flow, improved throttle response, and adjustability. However, it also comes with disadvantages, such as complexity, cost, and reduced fuel efficiency.

If you are looking for a high-performance carburetor for racing or other high-power applications, the Holley 3CMb4780 4150 4-barrel 3 Carter 4780 is an excellent choice. Its advanced features, including the double pumper design and adjustability, make it a reliable and powerful option. However, it is important to note that its complexity and cost may make it less practical for some enthusiasts. If you are looking for a more budget-friendly or simpler option, there are other carburetor models that may be better suited to your needs.

part # 3cmb4780 price

• $69.00

specifications carbcaddie:

• for models: 800
• brand: Holley
• type: Carburetor
• manufacturer part number: 3CMB4780
• country of origin: United States

payments carbcaddie:

• credit card: Discover
• other
• wallet: Paypal

returns carbcaddie:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

shipping carbcaddie:

• service: USPS Ground Advantage
• type: Calculated
• cost: $0.00
• transit: 9-16 Days
• carrier: USPS
• class: Standard

offer carbcaddie:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: June 7, 2026
• sold: 0
• best offers: True

seller carbcaddie:

• # reviews: 34951
• rating: 100.0%

general carbcaddie:

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

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