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The Cometic MLS head gasket for Chevrolet 4.3L Gen‑1 90° V6 (4.060 in bore) has a compressed operating thickness of 0.120 in and a multi‑layer stainless steel build. Embossed outer layers coated with Viton deliver heat‑resistant sealing while the center shim is uncoated stainless steel for thickness variation. MLS construction provides reliable sealing for aluminum‑to‑aluminum and aluminum‑to‑cast‑iron combinations without the need for sealants while resisting corrosion and rebounding under load.
Cometic Chevrolet 4.3L Gen-1 90 Degree V6 .120in MLS Cylinder Head Gasket - 4.060in Bore
