Cometic MLS head gasket for Chevrolet Gen-1 small block V8 (4.100in bore, .030in thickness) uses multiple embossed stainless steel layers with Viton-coated outer faces to handle harsh sealing environments and high temperatures. The multi-layer construction promotes even load distribution with less clamp load and reduced bore distortion, and the Viton coating offers heat resistance to help maintain a reliable cylinder head seal under demanding conditions.
Cometic Chevy Small Block 4.100in Bore .030in MLS Head Gasket (w/Valve Pockets)