The Cylinder Barrel is made up of components including this Barrel Assy,cyln( which is the most expensive.
The eight Gcv190a\c2e\14z0y0e4 Cylinder Barrel component parts are all listed in this schematic.
Some items from this specific schematic: Bolt Flange 6x12, Barrel Assy,cyln(, Cover,head, Plug,spark Bpr6es.