Parts such as the Wire Harness - Ignition Coil: Nut,flange,6mm, Bolt Washer 6x145, Bolt,flange,6x16, Band,wire are included in the Cx500c Custom 1980 (a) Canada Wire Harness - Ignition Coil parts fiche.
The most reasonably priced component used on the Cx500c Custom 1980 (a) Canada Wire Harness - Ignition Coil is the Nut,flange,6mm.
Of all the components used in this assembly the Harness,wire is the most expensive.