This is a BRAND NEW KIT which only includes the large drive gear, installation grease and installation instructions. This is a generic drive gear kit made to work with many garage door opener
models from Liftmaster, Sears, Chamberlain and many more.
This gear kit is compatible with CHAIN DRIVE and BELT DRIVE Liftmaster, Chamberlain, Sears, Craftsman , Garage Master, Access Master, Master Mechanic, Security +, Estate series, Raynor,
Formula I, Whisper drive and Billion Code garage door openers.
Drive Gear Bore Size: 1/2" Drive Gear Outside Diameter: 2 3/4" Drive Gear Number of Teeth: 32