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The Cometic MLS head gasket for Chevrolet ZL1 Mark-IV Big Block V8 (4.300" bore, nominal .120") is constructed from multiple embossed stainless steel layers with Viton-coated outer faces for heat and corrosion resistance. The MLS design allows the gasket to rebound under load and withstand different head and block material pairings without sealants. An adjustable uncoated shim layer helps meet specific thickness needs and improves load distribution across the sealing surface.
Cometic Chevrolet ZL1 Mark-IV Big Block V8 .120in MLS Cylinder Head Gasket - 4.300in Bore
