Gasket Cylinder Head PrCylinder Head GasketQuality materials developed for maximum performance tolerances and longevity MLS (Mutli Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE (Load Control Embossments), providing less bore distortion and better piston ring seal for more power Single Layer Steel (SLS) gaskets feature a stainless steel core and embossed outer surfaces that create a heavy duty seal between the center