Genie 39026R Extension Kit, For: Model 2055, 3053, 3055, 7055 Garage Door Openers

The tube rail belt extension kit is to be used in conjunction with the 5 piece rail system for the SilentMax 550 when the door measures 8 ft in height. The extension kit rail replaces the end section of the 5 piece tube rail system. Installation is easy with no additional assembly hardware.