Chain Drive Extension Kit

for 8' High Garage Doors

Works with 5-Piece, Tube Style Chain Drive Rails

Chain Drive Extension Kit

An extension kit can be added to an existing 7', multi-piece rail design to accommodate an 8' high door.  This kit is designed specifically for Genie chain drive garage door openers with a 5-piece, 7' Tube style rail.


  • Compatible with Models: 1035, 2033, 2035, 2036, 3035, 7035   

  • This kit allows the garage door opener to fully open garage doors up to 8ft. high

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Installation Manuals and Support

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Genie Customer Support is also available:

Monday - Friday: 8 AM - 7 PM CT
Saturday: 9 AM - 5 PM CT

Contact us by: 

Email, Chat, or Phone 1-800-354-3643