Aircraft Model(s): 210K thru 210N. Applicable Engines: IO-520-L. 1 - STC Document Set SA02821CH, 1 - 3-Bladed Propeller HC-J3YF-1RF/F8068-2, 1 - Polished Spinner C-4582-1P. 80 inch dia 3-blade, new scimitar blade, aluminum, extended hub prop.