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The Cometic MLS head gasket for GM Gen V/VI big-block V8 (4.375" bore) is a multi-layer steel gasket with embossed outer layers coated in Viton and a center uncoated stainless shim layer. Compressed operating thickness is 0.040". MLS construction provides rebound and corrosion resistance and is suitable for aluminum-to-aluminum or aluminum-to-cast-iron head applications without the need for sealants.
Cometic Chevy BB 4.375in Bore .040 inch MLS 396/402/427/454 Head Gasket
