Stop leaving your Holley screen in the glove box or rolling around on the floor boards. You paid for the screen. Why not show it off. This screen mount replaces one of the center vents and allows the screen to be visible with out blocking any of the windshield. It keeps all the functionality of the vent and keeps the install looking clean with no visible wiring. It will fit 1987 -1993 Ford mustangs. It is made from durable ABS plastic to survive the heat and cold. It is a super easy install. Simply pop your old vent out and replace it with this mount.