The component with the lowest price in the CYLINDER HEAD schematic is the Gasket(6.2x13x1.2) (nas).
Some items from this specific schematic: Gasket(6.2x13x1.2) (nas), Gasket(5.8x13x1.2) (nas), Plug,spark(cr10eia-9), Head Assy,cylinder.
The twenty-nine Gsxr600 2011 (l1) Usa (e03) Cylinder Head component parts are all listed in this schematic.