The Chain Drive Rail Extension Kit for 8'-High Garage Doors is required for operation of Chamberlain® chain drive models in 8-ft. garage door applications and includes a quick-install extension rail and replacement chain.
- Fully compatible: the Chain Drive Rail Extension Kit for 8'-High Garage Doors is required for reliable, everyday operation of Chamberlain® chain drive models in 8-ft. garage door applications.
- Easy Setup: featuring a quick-install extension rail and replacement chain, the kit includes all necessary hardware and instructions for a quick and easy installation.
- Proven quality: rigorous quality testing ensures lasting performance and long battery life
- 1 Year Accessory Warranty
- Download: Owners Manual