With a quantity of six pieces, the Bolt-hex Head,8x28 is the most used part in the OPTIONAL PARTS (H1-B) diagram.
The Optional Parts (h1-b) assembly is constructed from several parts from which the Caliper Assy,r.h is the most expensive.
The most reasonably priced component used on the Kh500a8 1976 Canada Optional Parts (h1-b) is the Washer-plain-small,6m.