fits model: Road, Avenger.

( Brand: Holley ), ( Manufacturer Part Number: 90770 ), ( Choke Type: Electric ), ( Type: Carburetor ), ( Material: Aluminum ), ( Universal Fitment: No ), ( Performance Part: Yes )
The Holley 90770 4150 770 CFM Off-Road Avenger Carburetor with Electric Choke is a high-performance, fuel-injected alternative to traditional vacuum secondary carburetors. This carburetor is designed specifically for off-road applications, providing a reliable and powerful fuel delivery system for your vehicle.
The 4150 series carburetor body is made from aluminum, which not only provides lightweight durability but also allows for easy heat dissipation. The 770 CFM (cubic feet per minute) airflow rating ensures an ample supply of air and fuel mixture for high-horsepower engines. The Avenger series carburetor features a unique circular float bowl design, which allows for more fuel capacity and reduced fuel starvation during aggressive acceleration.
The electric choke system is a significant upgrade over traditional vacuum-operated chokes. The electric choke is controlled by a switch on the dashboard, allowing for easy and precise control of the engine's starting process. This eliminates the need for a manual choke cable, reducing the risk of damage and providing a more consistent starting experience.
The Holley 90770 4150 770 CFM Off-Road Avenger Carburetor with Electric Choke is equipped with a multi-port electronic fuel injection system. This system allows for precise fuel delivery, ensuring optimal combustion and performance. The fuel injection system also eliminates the need for a fuel pump, reducing the complexity of the installation process.
The carburetor features a 1-1/8 inch primary venturi and a 2-1/2 inch secondary venturi, providing a wide range of air/fuel mixture options. The carburetor is also equipped with a dual-feed accelerator pump, which ensures an adequate fuel supply during acceleration.
The Holley 90770 4150 770 CFM Off-Road Avenger Carburetor with Electric Choke is easy to install and adjust, thanks to its clear and intuitive design. The carburetor comes with a detailed installation guide and is compatible with a wide range of vehicles and engine types.
In summary, the Holley 90770 4150 770 CFM Off-Road Avenger Carburetor with Electric Choke is a high-performance, fuel-injected carburetor designed specifically for off-road applications. Its lightweight aluminum body, 770 CFM airflow rating, and electric choke system provide reliable and powerful fuel delivery, while its multi-port electronic fuel injection system ensures precise fuel delivery and easy installation. This carburetor is a great choice for anyone looking to upgrade their off-road vehicle's fuel system.
Pros of buying a Holley 90770 4150 770 CFM Off-Road Avenger Carburetor with Electric Choke:1. Large airflow capacity: The 770 CFM airflow capacity makes it suitable for high-performance engines, providing excellent throttle response and power.
2. Electric choke: The electric choke eliminates the need for a manual choke, which can be difficult to operate in cold temperatures. This makes starting the engine easier and more reliable.
3. Durable construction: The Avenger carburetor is made from high-quality materials, including a billet aluminum body and brass components, which ensures long-lasting performance and resistance to corrosion.
4. Adjustable air bleeds: The adjustable air bleeds allow you to fine-tune the carburetor for optimal performance, ensuring a smooth and consistent fuel mixture.
Cons of buying a Holley 90770 4150 770 CFM Off-Road Avenger Carburetor with Electric Choke:1. Price: The Avenger carburetor is more expensive than some other carburetors on the market, which may be a deterrent for some buyers.
2. Complexity: The Avenger carburetor has more adjustments and features than some other carburetors, which may make it more difficult for beginners to tune and maintain.
3. Compatibility: The Avenger carburetor may not be compatible with all engines, so it's important to check the specifications before purchasing.
Ending conclusion:The Holley 90770 4150 770 CFM Off-Road Avenger Carburetor with Electric Choke is a high-quality, high-performance carburetor that is well-suited for high-powered engines. Its electric choke makes starting the engine easier in cold temperatures, and its adjustable air bleeds allow for fine-tuning for optimal performance. However, its price and complexity may be a deterrent for some buyers. Ultimately, if you're looking for a high-performance carburetor with advanced features, the Holley Avenger is a great option. But, be sure to check compatibility and consider your budget before making a purchase.
Carb mounting holes look like they have been opened up slightly. Holley 4150 90770 770 cfm Off-Road Truck Avenger Carburetor w/ Electric Choke, Pulled from a big block Chevy that Hans't been run in 1-2 years, would recommend going through it and deep cleaning before install. Has electric choke with vacuum secondaries. Please see all photos before purchase.