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The LiftMaster 71-1550B60QGH Sprocket Kit is a precision-engineered 60-tooth drive sprocket designed for LiftMaster operator systems that utilize a 1.25″ shaft with a 1/4″ keyway. Proper fitment, tooth count, and keyway configuration ensure secure mounting, optimal chain engagement, and smooth power transmission throughout operation.
Built for durability in commercial and high-cycle environments, this sprocket helps maintain proper drive alignment and reduces wear on chains and related components. Replacing worn or damaged sprockets with the correct specifications supports efficient performance and long-term reliability of the operator drive assembly.
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