The O-ring,18.3x2.3 is the cheapest item from this partsfiche.
Of all the components used in this assembly the Gasket Kit A (nas) is the most expensive.
Parts such as the Gasket Kit A: Pkg,cyln Head Rr (nas), Gasket,timing Bel (nas), O-ring,82x3, Gasket,cylinder H (nas) are included in the Gl1500se Goldwing Special Edition 1993 (p) France / Kph Gasket Kit A parts fiche.