Aircraft Model(s): 55 Baron. Applicable Engines: IO-470-L. 2 - Polished Spinner C-3567-1P, 1 - STC Paperwork SA795CE, 2 - 3-Bladed Propellers PHC-C3YF-2UF/FC7663-2R. 76 inch diameter 3-bladed, aluminum hub propellers.