PART #26500-B-'79-'93 Mustang Fiberglass Deck Lid, (Hatchback), Bolt-On. This part will bolt to the factory hinges but you will need to replace the window with Harwood's part #26921-H for a replacement. Minor trimming may be needed for proper fit. A reliable Day Time phone number is required in order for the freight company to contact you prior to delivery. If you have any questions call Harwood at 800-822-3392.