The most reasonably priced component used on the Cr500r 1984 (e) Usa Crankcase is the Washer,plug,drain 12.
The Crankcase assembly is constructed from several parts from which the Crankcase Assy,r. is the most expensive.
A sample from the products for the Crankcase include: Bolt,flange,6x55, Oil Seal,28x40x8, Bolt,stud,10x70, Brg,ball 28x68x18.