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The Cometic MLS head gasket for GM L42/L61 Gen‑1/2 ECOTEC (87mm bore, nominal .070in) features embossed stainless layers with Viton-coated outer faces and AMP to withstand demanding sealing environments. Compressed operating thickness is 0.098". The central uncoated stainless shim can be varied to meet thickness needs, improving load distribution, reducing clamp requirements, and delivering dependable sealing between dissimilar head and block materials without sealants.
Cometic GM L42/L61 Gen-1/2 ECOTEC .070in MLS Cylinder Head Gasket - 87mm Bore
