Some items from this specific schematic: Bolt(6x20), Hose,fuel On, Gasket,fuel Level Gauge (nas), Label,fuel Cock(silver).
The most reasonably priced component used on the Gsx600f Katana 2004 (k4) Usa (e03) Fuel Cock is the Bolt(6x20).
The sub assemblies and components that make up this Fuel Cock include this Cock Assembly,fuel, the most expensive part.