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The Cometic MLS head gasket for Chevrolet 4.3L Gen‑1 90° V6 (4.155 in bore) is a multi‑layer steel gasket with a compressed operating thickness of 0.030 in. Embossed stainless steel outer layers coated with Viton provide heat‑resistant sealing while the uncoated center shim permits thickness variation. MLS construction eliminates the need for sealants and is suitable for aluminum‑to‑aluminum or aluminum‑to‑cast‑iron assemblies, helping to distribute clamp load and reduce bore distortion.
Cometic Chevrolet 4.3L Gen-1 90 Degree V6 .030in MLS Cylinder Head Gasket - 4.155in Bore
