sixteen components are listed in the schematic for this Cb250k4 European Direct Sale Cylinder Head Cover - Cam Case .
The most expensive part in this assembly is the Case,cam.
Parts such as the Cylinder Head Cover - Cam Case: Nut,hex 8mm, Pin,knock, Bolt,hex 6x8, Tube,breather are included in the Cb250k4 European Direct Sale Cylinder Head Cover - Cam Case parts fiche.