The most reasonably priced component used on the Vt1100c2 Shadow 1999 (x) Australia / Kph Left Crankcase Cover is the Bolt,flange 6x14.
Some items from this specific schematic: Bolt Flange 6x35, O-ring,14.8x2.2, Bolt,flange,6x60, Joint,breather.
This LEFT CRANKCASE COVER assembly utilises five Bolt,flange,nshf,(s) - the highest specified component.