The most reasonably priced component used on the Cb250k4 Germany Cylinder Head Cover - Cam Case is the Washer,6mm.
A sample from the products for the Cylinder Head Cover - Cam Case include: Pin,knock, Washer,6mm, Nut,hex 8mm, Cover,clinderhead.
This CYLINDER HEAD COVER - CAM CASE assembly utilises eight Washer,sealing(s) - the highest specified component.