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Chamberlain 7708CB Chain Drive Rail Extension Kit Genie Chainlift Extension Kit Chamberlain 8808CB Belt Drive Rail Extension Kit
Includes 8 ft chain/cable assembly, rope, master link kit and 2 rail clips. The tube rail chain extension kit is to be used in conjunction with the 5 piece rail system for the Chain Drive 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. Extension kit cannot be used on the Chain Drive 500. Includes 8 ft belt assembly, rope, master link kit, spring nut assembly and 2 rail clips.
Genie Beltlift Extension Kit Chamberlain 7710CB Chain Drive Rail Extension Kit
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. Includes 8 ft chain/cable assembly, rope, master link kit and 2 rail clips.
   
 
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