NOS from old dealer. Includes correct pulley and blade for the 48" outer spindles. You could use this as a center or on a 42" deck with a different pulley/blade. This spindle has the keyed style upper shaft.Any questions please ask prior to purchase. Buyer is responsible for making sure this fits their machine. Free shipping applies to US continental 48 states only. All items are sold AS-IS and not returnable. Thanks for viewing!