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The Cometic MLS head gasket for Chevrolet 4.3L Gen‑1 90° V6 engines (4.155" bore) provides a .140" compressed thickness option and multi-layer stainless sealing for demanding applications. Embossed outer layers coated with Viton and an uncoated shim center deliver corrosion resistance, controlled rebound and reduced clamp-load distortion so heads seal reliably to blocks without additional sealants.
Cometic Chevy 229/262 V6 4.3L 4.155in .140in MLS Head Gasket
