HOLLEY Carburetor Carb Body Cfm Vacuum Secondary 4160 4-BARREL

( Brand: Holley ), ( Part Type: Vacuum Carburetor ), ( Manufacturer Part Number: 2B6919 )

Review HOLLEY 4160 4-barrel Carburetor Carb Main Body 2b 6919 Cfm Vacuum Secondary fits 600

The Holley 2B6919 4160 4-barrel carburetor is a high-performance carburetor that is ideal for both street and racing applications. This particular model is identified by the carb body number 2B6919 and comes with a 600 CFM vacuum secondary.

The 4160 series carburetor from Holley is renowned for its advanced design and superior fuel delivery capabilities. This carburetor features a four-barrel configuration, which allows for an increased air and fuel mixture entering the engine cylinders, resulting in more power and better overall performance.

The carb body, numbered as 2B6919, is made of high-quality aluminum material that is both lightweight and durable. It is designed with a polished finish that adds to its aesthetic appeal and is also resistant to corrosion, ensuring long-lasting use.

This carburetor comes with a 600 CFM vacuum secondary. The secondary circuit is designed to provide additional fuel during high engine RPMs or under heavy load conditions, allowing for optimal engine performance and power output. The vacuum secondary is controlled by a vacuum diaphragm, which responds to vacuum fluctuations in the intake manifold and adjusts the fuel flow accordingly.

The Holley 2B6919 4160 4-barrel carburetor is equipped with a number of advanced features that make it a preferred choice among performance enthusiasts. These features include a fine-metal power valve, which provides precise fuel control and improved idle quality, and a meticulously calibrated power jet system, which ensures optimal fuel distribution and air/fuel ratio.

Additionally, the carburetor comes with adjustable primary and secondary idle circuits, which allow for fine-tuning of the idle speed and quality, ensuring smooth engine operation. The carburetor also includes adjustable fuel pressure regulators, which enable the user to set the fuel pressure to their desired level, ensuring optimal engine performance.

In summary, the Holley 2B6919 4160 4-barrel carburetor is a high-performance carburetor that delivers superior fuel delivery and engine performance. With its advanced features, including a vacuum secondary, fine-metal power valve, adjustable idle circuits, and adjustable fuel pressure regulators, this carburetor is an excellent choice for both street and racing applications. The carb body is made from high-quality aluminum material, ensuring durability and a polished finish that adds to its aesthetic appeal.

The Holley 2B Six-71 4160 4-barrel carburetor, model number 2B 6919 with a 600 CFM vacuum secondary, is a popular choice among automotive enthusiasts for performance upgrades. Here are some pros and cons of buying this carburetor.

1. High Flow Rate: This carburetor offers a high airflow rate of 600 CFM, making it suitable for high-performance applications.

2. Vacuum Secondary: The vacuum secondary system helps improve the carburetor's air/fuel mixture under wide-open throttle conditions, resulting in better power output and drivability.

3. Adjustability: Holley carburetors are known for their adjustability, and this model is no exception. It offers various adjustments, such as idle mixture, main jet size, and secondary enrichment, allowing users to fine-tune their engine's performance.

4. Durability: Holley carburetors are built to last, with high-quality materials and robust construction, ensuring reliable operation even under heavy use.

5. Wide Compatibility: The 2B 6919 carburetor is compatible with a wide range of applications, including small-block Chevrolet, Ford, and Chrysler engines.

1. Complexity: Compared to a single-barrel or a two-barrel carburetor, a four-barrel carburetor like this one is more complex to install and tune. It requires more time, expertise, and resources.

2. Cost: The Holley 2B 6919 carburetor is more expensive than a single- or two-barrel carburetor, due to its advanced features and high-performance capabilities.

3. Fuel Economy: Installing a high-performance carburetor like this one can negatively impact fuel economy, as it requires more fuel to produce more power.

4. Maintenance: Holley carburetors require regular maintenance, including adjustments and cleaning, to ensure optimal performance and longevity.

The Holley 2B 6919 4160 4-barrel carburetor offers several advantages, such as high flow rate, vacuum secondary, adjustability, durability, and wide compatibility. However, it also comes with some drawbacks, including complexity, cost, fuel economy, and maintenance requirements. If you're looking for a high-performance carburetor for your small-block engine and have the expertise and resources to install and tune it, this carburetor could be an excellent investment. If not, you may want to consider a simpler and more cost-effective option. Ultimately, the decision depends on your specific needs, preferences, and budget.

part # 2b6919 price

• $20.00

specifications carbcaddie:

• for models: 600
• brand: Holley
• part type: Vacuum Carburetor
• manufacturer part number: 2B6919

payments carbcaddie:

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seller carbcaddie:

• # reviews: 30729
• rating: 100.0%

general carbcaddie:

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

shipping carbcaddie:

• carrier: USPS
• type: Calculated
• transit: 3-8 Days
• cost: $0.00
• class: Standard
• service: USPS Ground Advantage

returns carbcaddie:

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

offer carbcaddie:

• availability: In Stock
• best offers: True
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• options: Ship-to-home
• started: August 18, 2025
• quantity: 1

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