AH209451: Standard-Wear Rifled Threshing Repair KitConsistent threshing quality: The smooth threshing elements provide a uniform surface, ensuring consistent and efficient grain threshing for superior crop quality. Standard on original STS rotor: These elements are standard on the original STS rotor, offering a reliable option for maintaining performance in older combine models. Reduced maintenance with bullet rotor: When upgrading to the Bullet Rotor, only 3 kits of 3 smooth elements are needed for