For use with Chamberlain Whisper Drive and Whisper Drive Plus belt drive garage door openers featuring the quick install rail system.

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For use with Chamberlain Whisper Drive and Whisper Drive Plus belt drive garage door openers featuring the quick install rail system.

  • The product is 8', new structural steel rail extension kit
  • Easy and simple use kit
  • The product is manufactured in China
  • Works on garage doors up to 8 feet high
  • Includes rail extension, replacement belt, and all necessary hardware
  • New structural steel rail system
  • Increases structural integrity
  • The product is 8', new structural steel rail extension kit
  • Easy and simple use kit
  • The product is manufactured in China
  • Works on garage doors up to 8 feet high
  • Includes rail extension, replacement belt, and all necessary hardware
  • New structural steel rail system
  • Increases structural integrity

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