Spindle Housing / AYP 128774Pack Size:1AYP 128774, Husqvarna 532 12 87-74, Viking 6109-004-2009ESF 192-013, Foley/Belsaw 5979971, Foley/PLP 192-013, Laser 97586, NHC 252-0641, Oregon 82-220, Oregon 82-024, Prime Line 7-03125, Ratio Parts 22-871, Rotary 8548, Sunbelt RS30, Sunbelt B1RS30AYP 36", 38" and 42" ventilated deck using star shaped center holeHeight: 5 1/2 ", Cast aluminum housing, 3 bolt pattern