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The Cometic MLS head gasket for Chevrolet 4.3L Gen‑1 90° V6 (4.155 in bore) has a compressed operating thickness of 0.045 in and a layered stainless steel design. Embossed outer layers coated with Viton provide resilient sealing across varied surface finishes while the uncoated center shim can be varied for thickness control. MLS technology seals aluminum and iron pairings without sealants, resists corrosion, and helps conform load distribution to reduce bore distortion.
Cometic Chevrolet 4.3L Gen-1 90 Degree V6 .045in MLS Cylinder Head Gasket - 4.155in Bore
