The component with the lowest price in the Engine Cover(s) schematic is the Bolt-flanged-small,6x.
Parts such as the Engine Cover(s): Clamp, Ring-o, Pin,dowel,4.2x6x12, Fitting,3way are included in the Klx450-a9f Klx450r 2009 Usa Engine Cover(s) parts fiche.
The Engine Cover(s) is made up of components including this Cover-clutch,inner which is the most expensive.