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The Cometic MLS head gasket for Chevrolet ZL1 Mark-IV Big Block V8 (4.300" bore, nominal .051") uses multiple embossed stainless steel layers with Viton-coated outer faces for robust sealing in high-output engines. MLS construction resists corrosion and can rebound under load, making it suitable for mixed head and block materials without sealants. The center shim is uncoated stainless steel and can be adjusted to meet thickness requirements and improve sealing distribution.
Cometic Chevrolet ZL1 Mark-IV Big Block V8 .051in MLS Cylinder Head Gasket - 4.300in Bore
