Cometic C9888 Primary Gasket/Seal/O-Ring Kit (AFM Series for Big Twin/Xl Gasket)

Cometic's proprietary am (aluminum fomite material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outside gaskets have resistance to temperatures of more than 2500 degree have an 85% shape-recovering while maintaining strong torque retention - ideal gasket material for machined surfaces.