The Screw,cross,4x10 is the cheapest item from this partsfiche.
Parts such as the Amplifier/speaker (2): E-ring, Support,mic Jack, Band,bi Wire, Stay,mic Jack are included in the Cbx750p2 1987 (h) General Export / Mph Plr Amplifier/speaker (2) parts fiche.
Of all the components used in this assembly the Amplifier Assy.(c is the most expensive.