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Cometic MLS head gasket for Chevrolet Mark‑IV Big Block V8 engines with 4.375in bore and .060in compressed thickness. Constructed from multiple embossed stainless steel layers with Viton-coated outer faces, this multi-layer design provides rebound, corrosion resistance and sealing without additional sealants. The uncoated stainless shim layer accommodates various thickness needs while helping distribute clamp loads across the sealing area.
Cometic Chevrolet Big Block 396/402/427/454 4.375in Bore .060in Thick MLS-5 Head Gasket
