Hot working mag, great condition. This American Bosch MJB4 magneto is a reliable and high-quality part that is perfect for antique and vintage equipment. With compatibility for American equipment and a brand name like Bosch, you can rest assured that this magneto will keep your machinery running smoothly. Designed as a cylinder base mount magneto, it is ideal for use in sprint cars, midgets, and other types of heavy equipment.

This Bosch magneto is a top-of-the-line part that is built to last. It is a great choice for those who need a reliable magneto that will keep their machinery running smoothly. With its durable construction and compatibility with American equipment, this magneto is the perfect addition to any antique or vintage equipment.