8-hole Lycoming Silicone Rubber Gasket. Applications: IO-360 IO-540 IO-720, GO-435 GO-480, VO-435 VO-540 TVIO-540.

These silicone rubber gaskets are thicker than the non-silicone gaskets, seal uneven surfaces, eliminate corrosion, designed to withstand high temperatures, and are reusable. 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.