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The Cometic MLS head gasket for Chevrolet 4.3L Gen‑1 90° V6 (4.155 in bore) features a compressed operating thickness of 0.051 in and multiple embossed stainless steel layers with Viton coating on the outer faces. The uncoated center shim allows thickness adjustment. MLS construction provides sealing for aluminum‑to‑aluminum or aluminum‑to‑cast‑iron setups without sealants, offers rebound and corrosion resistance, and helps spread clamp load to limit bore distortion.
Cometic Chevrolet 4.3L Gen-1 90 Degree V6 .051in MLS Cylinder Head Gasket - 4.155in Bore
