The component with the lowest price in the Cylinder Head schematic is the Pin,8x14.
With all the components that make up the ER650C9F ER6N 2009 USA Cylinder Head assembly. The Bolt,6x45 is the most frequently specified with twelve applications.
Some items from this specific schematic: Stud,8x22, Gasket-head (nas), Bolt,socket,6x30, Washer,10.5x19x2.3.