The most reasonably priced component used on the Kdx175-a3 Kdx175 1982 Usa Canada Front Fork ('81-'82 A2/a3) is the Screw-pan-cros.
Some items from this specific schematic: Nut,lock,8mm, Head,steering Stem, Guide-fork Spring, Screw-pan-cros.
The sub assemblies and components that make up this Front Fork ('81-'82 A2/a3) include this Fork-front, the most expensive part.