Parts such as the Front Fork (gs1000ec: Tube,outer,left, Valve & Cap Assy, Circlip,fork Oil Seal, Washer are included in the Gs1000ec 1978 (c) Usa (e03) Front Fork (gs1000ec parts fiche.
The Front Fork (gs1000ec assembly is constructed from several parts from which the Tube,fork,inner is the most expensive.