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Cometic MLS cylinder head gasket for Chevrolet ZL1 Mark-IV Big Block V8, 4.250in bore with .040in compressed thickness. Built from multiple embossed stainless steel layers with Viton-coated outer faces, the gasket resists corrosion and heat while providing strong rebound and sealing under extreme conditions. MLS design handles aluminum-to-aluminum or aluminum-to-iron assemblies and performs without sealants.
Cometic Chevrolet ZL1 Mark-IV Big Block V8 .040in MLS Cylinder Head Gasket - 4.250in Bore
