THIS KIT INCLUDES ONE FOUR POST SPINDLE 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. ALSO INCLUDES MOUNTING BOLTS, TOP NUT, SPACER, BOTTOM BOLT AND WASHER. THE PULLEY REPLACES 153532, 173435, 532153532, 129206, 532173435, AND 532129206. PULLEY SPECS: 0.64" ID 4-7/8" OD. PULLEY MAY COME IN BLACK, SILVER, OR GOLD.Warning:Lead-Nickel-Cancer and Reproductive Harm