Exclusively at Home Depot. For Chamberlain® full chain drive models in 8-ft. garage door applications. Quick-installation of extension rails and replacement chain.
For 8′ Garage Doors
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.
- Accessory Warranty: 1 year