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The Cometic MLS head gasket for Buick Big Block V8 with a 4.312 in bore and .051 in nominal thickness is a multi-layer stainless steel cylinder gasket that provides reliable sealing for high-output engines without sealants. Embossed outer stainless layers are coated with Viton to withstand harsh sealing environments and heat up to 250°C (482°F). An uncoated shim layer permits thickness variation; the MLS design rebounds, resists corrosion and needs less clamp load to reduce bore distortion.
Cometic Buick Big Block V8 .051in MLS Cylinder Head Gasket - 4.312in Bore
