The Carter AFB Competition Series 4 Barrel Carburetor 9605S 3217 is a high-performance carburetor designed for aircraft and other vehicles requiring a reliable fuel delivery system. With four barrels for increased airflow and fuel efficiency, this carburetor is ideal for competition or racing applications. Manufactured by Carter, a trusted brand known for quality automotive parts, this carburetor is a top choice for those looking to upgrade their fuel delivery system for improved performance.