Back plate
Teledyne Continental (Series A-50, A-65, A-75, A-80, C-75, C-85, C-90, C-125, C-145, E-165, E-185, O-200, O-240, E-225, O-300, GO-300, IO-360, LTISO-360 , TSIO-360, GIO-470, O-470, IO-470, TSIO-470, GTSIO-520, IO-520, TSIO-520, IO-550, TSIOL-550.) Textron Lycoming (O-235, O-290, AEIO-320, IO-320, LIO-320, O-320, O-340, AEIO-360, IO-360, IVO-360, O-360, VO-360, GO-360, GO-435, VO-435, GSO-480, GO-480, IGO-480, IGSO-480, O-480, IO-540, O-540, VO-540.) Franklin . (6A4150, 6A4165. 6A4178, 6A4200, 4A-235-B, 6A-335-A, B. 6AS-335-A, B. 6V-335-A, 6VS-335-A, B. 6A-350-C)