This molding is the piece that fits between the upper plastic molding and the actual body of the car and acts as a gasket to help seal the body and protect the upper molding from rubbing against the body of the car. Made with Ford original tooling and OE style materials this molding is a direct replacement for your original. Sold individually. Made in the USA! Applications:1987-1993 Ford Mustang (RH - Convertible)