COMETIC C9173 Primary gasket/seal/O -ring kit (AFM series big twin/XL gasket)

Cometic's proprietary AM (aluminum fomite material) gasket features an aluminum core that is chemically blown on the outside and bonded with synthetic nitrile rubber. Gaskets withstand temperatures of over 2500 degrees Fahrenheit. 85% shape recovery while maintaining strong torque retention - ideal gasket material for machined surfaces. Does not require gasket sealer. Kit includes the necessary gaskets, seals, and O-rings for the inner and outer primaries.