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The Cometic MLS head gasket for Chevrolet 4.3L Gen‑1 90° V6 (4.060 in bore) uses multiple embossed stainless steel layers with Viton‑coated outer faces and an uncoated center shim to allow thickness variation. With a compressed operating thickness of 0.080 in, this MLS gasket is built to seal high‑output engines without sealants, tolerate dissimilar material shear between aluminum and cast iron, resist corrosion, and distribute clamp load to reduce bore distortion.
Cometic Chevrolet 4.3L Gen-1 90 Degree V6 .080in MLS Cylinder Head Gasket - 4.060in Bore
