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The Cometic MLS cylinder head gasket for Mercury Marine Chevrolet Mark‑IV / GM Gen‑V/VI big block V8 is .040" compressed operating thickness and sized for a 4.510" bore for World Products Man‑o‑War block fitment. Constructed from multiple embossed stainless layers with Viton coating, MLS gaskets offer rebound, corrosion resistance, and strong sealing performance without sealants across aluminum and cast‑iron mating surfaces.
Cometic Mercury Marine Chevy Mark-IV-GM Gen-V/VI Big Block V8 .040in MLS Cyl Head Gskt-4.510in Bore
