This genuine McCormick 981899M1 ring is a critical component designed for optimal performance in various McCormick and International Harvester tractor models. It ensures a precise fit for applications in models such as the B250, B275, B276, B414, and B434. Manufactured to exact specifications, this ring features an outer diameter of 95.25 mm, an inner diameter of 88.9 mm, and a thickness of 3.175 mm, contributing to the reliable operation of your agricultural machinery.