This American Bosch MRD 4A magneto is a reliable and high-quality part for your antique or vintage tractor that requires a counterclockwise rotation. It is compatible with American and Kohler equipment and specifically designed for use with the Hot Mag model. As a magneto, it is an essential part for generating the electricity needed to ignite your engine. Its durability ensures that it will keep your tractor running smoothly for years to come. Perfect for any tractor enthusiast looking to keep their equipment in top shape.