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The Cometic MLS head gasket for Pontiac 400/428/455 V8 (4.410 inch bore) is a multi-layer stainless steel assembly compressed to 0.030 inch. Embossed outer layers coated with Viton offer heat- and chemical-resistant sealing, while the uncoated center shim allows for thickness customization. MLS construction seals without sealants, tolerates aluminum or cast-iron mating surfaces, resists corrosion and shearing, and reduces clamp load to help maintain bore geometry.
Cometic Pontiac 400/428/455 V8 .092in MLS Cylinder Head Gasket - 4.380in Bore
