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The Cometic MLS head gasket for Pontiac 400/428/455 V8 (4.380 inch bore) is a multi-layer stainless steel cylinder head gasket compressed to 0.045 inch. Embossed outer layers are coated with Viton for heat- and chemical-resistant sealing, while an uncoated stainless center shim lets thickness be tailored. MLS construction seals without sealants, copes with aluminum-to-aluminum or aluminum-to-cast-iron surfaces, resists corrosion and reduces required clamp load to limit bore distortion.
Cometic Pontiac 400/428/455 V8 .045in MLS Cylinder Head Gasket - 4.380in Bore
