Aircraft Model(s): 55 Baron. Applicable Engines: IO-470-L. 1 - STC Document Set SA795CE, 2 - 2-Blade Propeller BHC-C2YF-2CHUF/FC8465B-6, 2 - Polished Spinner C-2285-6P. Alcohol Anti-Ice A-2374-1. 78 inch diameter 2-bladed, aluminum hub propellers.