The most expensive part in this assembly is the Ac Gen.flywheel.
The Bolt,flange,6x18 is the lowest priced item on this Left Crankcase Cover/ Generator schematic.
A sample from the products for the Left Crankcase Cover/ Generator include: Cover Comp.,l.cra, Bolt,flange,6x35, Stator Comp., Bolt,flange,12x50.