This is a one piece 8 ft. Belt Assembly Replacement Kit. For use with various LiftMaster® and Chamberlain® Belt Drive Garage Door Openers. This belt assembly kit is for use on a 8 ft. residential garage door. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.

Genuine LiftMaster® replacement part.

Total Length - 255 Inches - Has 20 Grooves per 6 Inches