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The Cometic MLS head gasket for Pontiac 400/428/455 V8 (4.410 inch bore) combines embossed stainless steel outer layers coated with Viton and an uncoated stainless center shim, compressed to 0.075 inch. MLS construction offers sealing without sealants, withstands the shearing forces of dissimilar metals, rebounds to resist corrosion, and distributes clamp load to reduce bore distortion, making it suitable for higher-output engines and mixed-material assemblies.
Cometic Pontiac 400/428/455 V8 .075in MLS Cylinder Head Gasket - 4.410in Bore
