Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust Product Features:PROPRIETARY COATING -- Exclusive coating helps withstand rougher sealing surface finishes up to 80 RaUNIQUE COMBUSTION SEAL -- Exclusive LaserWeld stopper layer technology reduces gasket damage from blow out and helps ensure a stronger combustion sealMULTI-LAYERED STEEL CONSTRUCTION -- Multiple layers of stainless steel maintain sealing stress and accommodate head liftSUPERIOR SEAL -- Precise embossed sealing beads at all vital areas to eliminate leak pathsHANDLES EXTREME ENGINE CONDITIONS -- Engineered and manufactured to inhibit over-compression of embossments to maintain a superior seal under peak combustion pressures and temperaturesDESIGNED FOR IMPERFECT SEALING SURFACES -- Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfacesDESIGNED FOR IMPERFECT SEALING SURFACES -- Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces