The Top Cowling is made up of components including this Top Cowling Assy which is the most expensive.
With four applications this Rivet(6e7) is the most specified part.
Parts such as the Top Cowling: Top Cowling Assy, Seal, Rivet(6e7), Molding, Air Duct are included in the Ft9.9j 1986 Top Cowling parts fiche.
