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The Cometic MLS head gasket for Pontiac 400/428/455 V8 (4.410 inch bore) features embossed outer stainless steel layers coated with Viton and a compressed thickness of 0.045 inch. The uncoated stainless center shim can be varied for precise thickness. MLS construction provides strong sealing without sealants, handles mixed-material head/block interfaces, offers corrosion resistance and rebound under load, and reduces necessary clamp load to protect bore shape.
Cometic Pontiac 400/428/455 V8 .040in MLS Cylinder Head Gasket - 4.410in Bore
