HOLLEY Carburetor Secondary Block Cfm 4150 4-BARREL 4780

( Brand: Holley ), ( Type: Double Pumper ), ( Manufacturer Part Number: 2B6514 ), ( Country Of Origin: United States )

Review HOLLEY 4150 4-barrel Carburetor Secondary Metering Block Cfm 2b 6514 fits 800

The Holley 2B Six-71 4150 4-Barrel 4780 CFM Carburetor Secondary Block, model number 2B 6514, is a high-performance carburetor component designed for enthusiasts seeking enhanced fuel delivery and improved engine response. This secondary block is specifically engineered for use with Holley's 4150 series 4-barrel carburetors and is rated for an impressive flow rate of 4780 cubic feet per minute (CFM).

Crafted from premium billet aluminum, this secondary block exudes both durability and aesthetics. It features four separate bores, each with a diameter of approximately 0.850 inches, and is designed to accommodate four Holley 4150 primary carburetors. The 2B 6514 is also compatible with various Holley secondary configurations, including the 650 CFM, 675 CFM, and 800 CFM options.

This carburetor secondary block boasts several notable features, including the integrated fuel bowls with welded-in baffles. These fuel bowls are designed to minimize fuel slosh and improve fuel distribution, ensuring consistent fuel delivery to the engine. Additionally, the 2B 6514 is equipped with a unique float level adjustment system, allowing for easy fine-tuning of the float height to optimize fuel delivery and engine performance.

The Holley 2B Six-71 4150 4-Barrel 4780 CFM Carburetor Secondary Block is a valuable addition to any high-performance engine application. Its robust billet aluminum construction, versatile compatibility, and optimized fuel delivery characteristics make it an essential component for those seeking enhanced power and improved engine response.

The Holley 2B6514 4150 4-barrel 4780 CFM 2b 6514 carburetor secondary block is a high-performance carburetor designed for applications requiring large CFM (cubic feet per minute) airflow. Here are some pros and cons of buying this carburetor to help you make an informed decision.

1. High CFM: This carburetor offers a large airflow rate of 4780 CFM, making it suitable for high-performance applications.

2. Improved Performance: The 4-barrel design provides better air/fuel mixture distribution, leading to improved engine performance.

3. Adjustability: The carburetor comes with various adjustment options, allowing users to fine-tune the air/fuel mixture for optimal engine performance.

4. Durability: Holley carburetors are known for their durability and reliability, making this carburetor a good investment for long-term use.

5. Wide Compatibility: This carburetor is compatible with a wide range of engines, making it a versatile option for various applications.

1. Complexity: The 4-barrel design and numerous adjustment options can make this carburetor more complex to install and tune compared to simpler designs.

2. Cost: This carburetor is more expensive than some other options on the market due to its high CFM rating and advanced features.

3. Maintenance: A high-performance carburetor like this one requires regular maintenance to ensure optimal performance.

4. Fuel Consumption: The increased airflow and fuel delivery can lead to higher fuel consumption compared to smaller carburetors.

The Holley 2B6514 4150 4-barrel 4780 CFM 2b 6514 carburetor is a high-performance option suitable for applications requiring large airflow rates. Its advanced features, such as adjustability and durability, make it a good investment for those seeking optimal engine performance. However, its complexity, cost, maintenance requirements, and higher fuel consumption are important considerations to keep in mind before making a purchase.

If you are looking for a high-performance carburetor for a large engine application and are willing to invest in a complex, adjustable, and expensive option, the Holley 2B6514 4150 4-barrel 4780 CFM 2b 6514 carburetor could be a good choice. However, if you are looking for a simpler and more cost-effective option, you may want to consider a smaller CFM carburetor. It's essential to carefully consider your specific application requirements and budget before making a decision.

part # 2b6514 prices

• $33.99-$45.00

specifications carbcaddie:

• for models: 800
• brand: Holley
• type: Double Pumper
• manufacturer part number: 2B6514
• country of origin: United States

offer carbcaddie:

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

returns carbcaddie:

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

general carbcaddie:

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

payments carbcaddie:

• other
• credit card: Diners-club
• wallet: Google-pay

shipping carbcaddie:

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

seller carbcaddie:

• # reviews: 34951
• rating: 100.0%

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