Spindle Housing / AYP 137152Pack Size:1AYP 137152, Husqvarna 532 13 71-52Foley/Belsaw 5980101, Laser 97642, NHC 252-0669, Oregon 82-221, Prime Line 7-05273, Rotary 9521AYP 44" and 50" ventilated deck using star shaped center holeHeight: 3 1/2 " OVERALL, Cast aluminum housing, 3 bolt mounting pattern