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Cometic MLS cylinder head gasket for GM L42/L61 Gen‑1/2 ECOTEC engines, with a nominal .080 in thickness and an 89 mm bore; market copy indicates a compressed operating thickness of 0.080 in. Constructed from multiple embossed stainless layers with Viton coating and an uncoated center shim, the gasket provides durable sealing and corrosion resistance. MLS design seals aluminum-to-aluminum or aluminum-to-iron head/block combinations without sealants while improving load distribution.
Cometic GM L42/L61 Gen-1/2 ECOTEC .080in MLS Cylinder Head Gasket - 89mm Bore
