THIS KIT INCLUDES ONE SPINDLE ASSEMBLY AND ONE PULLEY. THE SPINDLE REPLACES 187292, 192870, 532 19 28-70, 21546238, 532 18 72-81, 532 18 72-92, 539 11 20-57. SPINDLE HEIGHT: 7 1/2", INCLUDING GREASE ZERK. THE PULLEY REPLACES 153535, 129861, 173436, 532129861, 532173436. PULLEY OD: 5 1/8". FITS MOST AYP 42" AND 48" DECKS. INCLUDES MOUNTING BOLTS, TOP NUT, SPACER, BOTTOM BOLT AND WASHER.Warning:Lead-Nickel-Cancer and Reproductive Harm