Gasket Set Kit includes head gasket x1, valve cover gasket x1, carb gasekt x1, air filter gasket x1, insulator gasket x1, case side cover gasket x1, muffler gasket x1, 25X41.25X6 seal x2, crusher washer x2, valve seals x2. Head gasket id 68mm, made of iron. The head valve cover gasket is made of cork rubber fibire. The air filter gasket is made of iron and ruber. The valve seals are made of fluororubber. Compatible with multiple small engine 212cc,GX160/GX200,196cc/200cc/208cc, 168F/170F engines, and 5.5HP/6.5HP/7HP variants used in generators, and power equipment Replace Part#: Valve stem seal 12209-ZH8-003; Air filter gasket iron 16220-ZE1-020 16220-ZE1-000; Air filter gasket 16269-ZA0-800; Insulator gasket 16212-ZH8-800; Carburetor gasket 16221-ZH8-801 16221-ZE0-306 16221-ZE0-800 16221-ZG9-J60 16221-ZG9-T00 16221-ZH8-801; Valve cover gasket 12391-ZV1-850; Exhaust gasket 18381-zh6-80 18381-zh8-80 18381-ZH8-800 18381-ZH8-801; Case cover gasket 11381-ZH8-801 11381-ZE1-800; Cylinder gasket 12251-ZF1-800 12251-ZF1-801