HOLLEY 4776-6 Performance Cfm Carburetor Carb Rod Rat Car 4BBL

( Brand: Holley ), ( Manufacturer Part Number: 4776-6 ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Country Of Origin: United States ), ( Performance Part: Yes )

Review HOLLEY Performance Cfm Carburetor Carb Hot Rod Rat Car Truck fits 600

Introducing the Holley 4776-6 Performance 600 CFM 4-barrel Carburetor, a high-performance solution for your rod and carburetor equipped hot rod or custom muscle car. This carburetor, manufactured by Holley, a renowned name in the performance aftermarket industry, is designed to deliver impressive power and torque gains.

The 4776-6 model is a 600 CFM carburetor, meaning it offers an airflow capacity of 600 cubic feet per minute. This makes it ideal for larger engines that demand more fuel and air for optimal performance. The carburetor features a 4-barrel configuration, which allows for a more efficient fuel delivery system, enhancing combustion and power output.

This Holley carburetor boasts a number of performance-enhancing features. It comes with a mechanical secondaries system, which means it utilizes mechanical linkages to open the secondary throttle plates. This design provides a more responsive and aggressive power delivery compared to vacuum-actuated secondaries. Additionally, the carburetor includes Holley's Advanced Vacuum Secondary (AVS) technology, which uses a vacuum diaphragm to increase the secondary venturi diameter at wide-open throttle, allowing for even more power.

The 4776-6 Performance Carburetor also comes with Holley's classic design elements, such as the iconic red bowl and chrome finishes. The carburetor offers easy-to-adjust features, including the ability to fine-tune the idle mixture and main jet sizes. The carburetor also includes a built-in fuel pressure regulator, allowing for easy fuel pressure adjustment to optimize performance.

This Holley carburetor is compatible with various engine configurations and fuel systems. It is designed for use with fuel systems that provide a minimum fuel pressure of 5 psi at idle and 7.5 psi at wide-open throttle. It also comes with a fuel bowl gasket, mounting hardware, and a float bowl venturi kit to ensure a hassle-free installation process.

In summary, the Holley 4776-6 Performance 600 CFM 4-barrel Carburetor is a high-performance solution for rods and carburetor-equipped hot rods and muscle cars. With its impressive airflow capacity, mechanical secondaries system, and Holley's Advanced Vacuum Secondary technology, this carburetor delivers power and torque gains, making it an excellent choice for those seeking to enhance the performance of their vehicle.

The Holley 4776-6 600 CFM 4-barrel carburetor is a popular choice amongst automotive enthusiasts for its high performance capabilities. Here are some pros and cons that can help you make an informed decision about purchasing this carburetor:

1. High Air Flow: This carburetor is capable of delivering an impressive 600 CFM airflow, making it suitable for high-performance applications.

2. Easily Adjustable: The Holley 4776-6 comes with a combination of mechanical and vacuum secondary adjustments, allowing for precise tuning.

3. Durable Construction: This carburetor features a heavy-duty aluminum base and a billet aluminum body, ensuring durability and longevity.

4. Fuel Efficiency: The Holley 4776-6 is designed to provide good fuel efficiency, making it a popular choice for both performance and daily driving applications.

5. Easy Installation: This carburetor is relatively easy to install, and Holley offers a variety of installation kits and resources to help make the process smoother.

1. Expensive: Compared to other carburetors in its class, the Holley 4776-6 can be quite expensive.

2. Complex Adjustments: While the adjustability of this carburetor is a pro, it can also be a con for some. The complex adjustments may require more time and expertise to tune properly.

3. May Require Additional Accessories: Depending on the specific application, additional accessories such as fuel pressure regulators or fuel pumps may be required to run this carburetor effectively.

The Holley 4776-6 600 CFM 4-barrel carburetor is a high-performance carburetor that offers precise adjustability, durability, and good fuel efficiency. However, it comes with a higher price tag and may require some expertise to tune properly. If you're looking for a high-performance carburetor for your rod car and are willing to invest the time and resources into tuning it, then this carburetor may be worth considering.

If you're in the market for a high-performance carburetor for your rod car and have the budget and expertise to tune it, then the Holley 4776-6 600 CFM 4-barrel carburetor is definitely worth considering. However, if you're looking for a more affordable option or prefer a carburetor that's easier to tune, there may be other options worth exploring as well. Ultimately, the decision comes down to your specific needs and budget.

Details:

UP FOR SALE IS A PREOWNED HOLLEY 4776-6 PERFORMANCE 600 cfm 4BBL CARBURETOR CARB HOT ROD, RAT CAR, TRUCK.

part #: 47766 prices

• $69.29-$400.00

specifications carbcoon:

• for models: 600
• brand: Holley
• mpn: 4776-6
• choke type: Mechanical
• type: Carburetor
• country of origin: United States
• performance part: Yes

returns carbcoon:

• policy: No Returns

offer carbcoon:

• started: February 21, 2026
• best offers: True
• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1

shipping carbcoon:

• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• type: Fixed
• transit: 4-9 Days
• cost: $24.95
• class: Standard

seller carbcoon:

• # reviews: 3304
• rating: 100.0%
• city: Palm Coast, Florida

payments carbcoon:

• credit card: Visa
• other
• wallet: Google-pay

general carbcoon:

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

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