The Cometic Alternator/Head Gasket for 1999–2006 Honda CBR600F4 is a .018-inch AFM-style gasket composed of chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core. AFM delivers roughly 85% recovery while maintaining torque retention, withstands temperatures over 205°F, and does not require sealants or re-torquing, offering dependable electrical cover sealing.
Cometic 99-06 Honda CBR600F4 Alternator .018 Alternator Cover Gasket