Cometic Gasket Head Gasket - MLS - 3.937in. Bore .030in. C9894 High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle 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 Outer layers are embossed and coated on both sides with Viton to meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes Made in the USA