The Bolt,flange, 6x32 is the cheapest item from this partsfiche.
A sample from the products for the E-13 Crankcase include: Bolt,flange,6x50, Cap B,oil Path, Cramper,cord, Bolt,flange, 6x32.
The Bolt,hex 8x100 is the most widely applied product in the CB650 1980 (A) CANADA E-13 CRANKCASE ( ten times ).