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This Cometic MLS head gasket for GM Vortec 3.0 (Iron Duke) engines is built from multiple embossed stainless steel layers with outer layers coated in Viton and an uncoated center shim. With a compressed operating thickness of 0.040", the MLS construction is specified to handle varied sealing environments and load conditions while reducing clamp load and resisting corrosion across aluminum-to-aluminum or aluminum-to-cast-iron interfaces.
Cometic GM Marine 3.0 Iron Duke 4.000in Bore .040in Vortec MLS Head Gasket
