Performance Carburetor 600CFM 4150 Series

The HOLLEY Performance Carburetor 600CFM 4150 Series (Model 0-4776S) is a street-proven four-barrel carburetor designed for automotive enthusiasts building mid-range performance engines. This carburetor is ideal for hot rods, muscle cars, and custom engine builds, providing a reliable fuel delivery system that balances throttle response and fuel economy. Its 600 CFM airflow capacity makes it a popular choice among mechanics and weekend warriors alike.

Featuring HOLLEY's double-pump design, this carburetor ensures crisp acceleration and eliminates flat spots during throttle transitions, offering a significant advantage over single-stage metering systems. The 4150 series configuration includes a manual choke operation and mechanical fuel delivery, along with adjustable idle circuits and tunable air-fuel ratio compensation that adapts to engine load and ambient conditions. Its cast aluminum construction resists heat soak, maintaining fuel vapor stability during extended driving.

This performance carburetor is perfect for those restoring classic vehicles or tuning modern stroker engines. With precision-machined jets, metering rods, and power valve assemblies, users can fine-tune the carburetor for peak efficiency across a wide RPM range. The compact footprint of the carburetor fits most traditional engine bay layouts, making it a versatile option for various applications.