HOLLEY 4DMB4780 Carburetor Body Cfm Double Pumper Carb 4150 4-BARREL 4780-1

( Brand: Holley ), ( Type: Carburetor ), ( Manufacturer Part Number: 4DMB4780 ), ( Country Of Origin: United States )

Review HOLLEY 4150 4-barrel 4d Carburetor Main Body Cfm Double Pumper Carb fits 800

The Holley 4dmb4780 4150 4-barrel 4D 4780-1 carburetor body is a high-performance automotive component designed for applications requiring increased airflow and fuel delivery. This double pumper carburetor is part of Holley's 4150 series, which is known for its superior design and durability.

The carburetor body is manufactured from high-quality aluminum, ensuring lightweight yet robust construction. Its 4-barrel design allows for optimal fuel distribution and airflow to the engine, which results in improved engine performance. The double pumper design enhances vacuum secondary circuit performance, ensuring consistent fuel delivery under various engine loads.

This Holley carburetor comes with a 800 CFM (cubic feet per minute) airflow rating, making it suitable for larger engines that demand more fuel and air. Its 4150 series throttle bodies are interchangeable, providing flexibility for different applications and tuning needs.

The 4780-1 model features a 750 CFM primary venturi and two 1050 CFM secondary venturis, which provide a broad powerband and excellent idle quality. The carburetor includes a bowl gasket, float bowls, float levelers, and needle jets, ensuring easy installation and setup.

The Holley 4dmb4780 4150 4-barrel 4D 4780-1 carburetor body is designed to meet the demands of serious hobbyists and professional racers. Its advanced features, such as adjustable secondary metering rods and removable bowl, make it a popular choice for those seeking high-performance carburetor solutions. This Holley carburetor is an excellent investment for anyone looking to enhance their engine's power, torque, and overall performance.

The Holley 4dmb4780 4150 4-barrel 4d carburetor body is a popular choice for automotive enthusiasts looking to increase the performance of their engines. This double pumper carburetor comes with an 800 CFM capacity, making it suitable for high-performance applications. Here are some pros and cons that may help you decide if this carburetor is the right choice for your needs:

1. High CFM rating: With an 800 CFM rating, this carburetor can provide sufficient air and fuel mixture for high-performance engines, leading to improved horsepower and torque.

2. Double pumper design: The double pumper design helps ensure consistent fuel delivery to the engine, even under high RPMs and heavy load conditions.

3. Adjustable features: The Holley 4dmb4780 comes with several adjustable features, including the ability to adjust the idle mixture, main jet size, and secondary jet size, allowing for fine-tuning of the carburetor to meet the specific needs of your engine.

4. Durable construction: Holley carburetors are known for their durable construction, making them a popular choice for automotive enthusiasts who demand high-performance and reliability.

1. Complexity: Compared to single-barrel or simple 4-barrel carburetors, the Holley 4dmb4780 is more complex to install and tune, requiring a higher level of expertise and experience.

2. Cost: This carburetor is more expensive than some other options on the market, which may be a consideration for those on a budget.

3. Fuel efficiency: Due to its high-performance design, the Holley 4dmb4780 may not be the most fuel-efficient option, leading to higher fuel consumption and increased operating costs.

In conclusion, the Holley 4dmb4780 4150 4-barrel 4d carburetor body is a high-performance option that can provide significant horsepower and torque gains for automotive enthusiasts. Its durable construction, adjustable features, and consistent fuel delivery make it a popular choice among those who demand the best. However, its complexity, cost, and fuel efficiency may be drawbacks for some. Ultimately, the decision to purchase this carburetor will depend on your specific needs, budget, and level of expertise. If you are looking for a high-performance carburetor and have the necessary experience and resources to install and tune it, the Holley 4dmb4780 is a solid choice.

part # 4dmb4780 prices

• $59.95-$69.95

specifications carbcaddie:

• for models: 800
• brand: Holley
• type: Carburetor
• manufacturer part number: 4DMB4780
• country of origin: United States

shipping carbcaddie:

• class: Standard
• carrier: USPS
• transit: 3-7 Days
• type: Calculated
• service: USPS Ground Advantage
• cost: $0.00

returns carbcaddie:

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

payments carbcaddie:

• other
• wallet: Paypal
• credit card: Diners-club

seller carbcaddie:

• rating: 100.0%
• # reviews: 34902

offer carbcaddie:

• started: June 3, 2026
• best offers: True
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0

general carbcaddie:

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

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