The 627429 is a spiral wound, 2-hole exhaust gasket for Continental engines. Applications: A-65, A-75, C-85-12F, C-90-8F, -12F, -14F, -16F, E-165, E-185, E-225, O-200-A, -B, O-300-A, -C, -D, O-470-A, -E, -J. Please note that some aircraft models or particular serial numbers may have applications other than those listed here. You must refer to the proper aircraft parts catalog, equipment list, or maintenance manual when choosing a part and for installation. Alternate P/N'S: 999, 649428, 652459.