The Murray 774090MA Lawn Tractor Pulley Splined 7.5 Q1 ensures positive, slip-free rotational torque transmission to maintain consistent cutting deck or drive system performance. This heavy-duty mechanical component serves as a primary drive pulley within the tractor's power transmission system. It works by mating its precision-machined internal splines directly with the matching ridg... https://www.wholetoolbox.com/murray-774090ma-lawn-tractor-pulley-splined-7-5-q1