Parts such as the Special Market (e21) (gs400c.en.n:~f.no.71031) (gs400en:: Spacer,oil Seal, Stud 8x25, Dumper Assy, Front Fork Rh, O Ring are included in the Gs400 1979 (n) (e01 E02 E04 E17 E18 E21 E22 E24 E25 E30 E34 E39) Special Market (e21) (gs400c.en.n:~f.no.71031) (gs400en: parts fiche.
This SPECIAL MARKET (E21) (GS400C.EN.N:~F.NO.71031) (GS400EN: assembly utilises four Stud 8x25(s) - the highest specified component.