Aircraft Model(s): 58 Baron. Applicable Engines: IO-550-C. 1 - STC Paperwork SA5533NM, 2 - 3-Bladed Propellers PHC-J3YF-2UF/FC7663-2R, 2 - Polished Spinners C-3567-4P. 76 inch diameter 3-bladed, aluminum hub propellers.