The Best Products with Superb Unmatched Service. Reduces headroom requirements for installation. Designed to modify the standard track. The Clopay Garage Door Low Headroom Conversion Kit bay be required if you have less than 15 in. Of headroom in your garage. Easily converts your new track to accommodate your low headroom application. Detailed installation instructions and all necessary hardware included. Reduces headroom for standard and EZ set extension spring systems to 4 1/2 in. Reduces headroom for EZ-set torsion spring system to 9-1/2 in. Maximum garage door height. Works on 12 in. Thanks for taking a look at our product. We will do our best to serve you with great products and amazing service.