A-B11501110YZMA-AI SPEED SELECT ASYOne New Aftermarket Replacement Speed Select Assembly for Murray Snow Blowers This speed select assembly (also called a speed selector assembly) controls forward drive speed selection on Murray dual stage snow blowers. It is part of the ground drive system and allows the operator to select and maintain the desired travel speed during snow clearing. This aftermarket replacement part fits Murray snowblowers and is also Fits Craftsman, Snapper, and Sears