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This .051" Cometic MLS cylinder head gasket fits Chevrolet Mark-IV and GM Gen-V/VI Big Block V8 engines with a 4.310" bore, featuring embossed stainless outer layers coated with Viton. MLS construction provides reliable sealing under high cylinder pressures and clamp loads without sealants. The center uncoated shim layer permits varied thickness for precise sealing, while the design reduces bore distortion and improves load conformity.
Cometic Chevrolet Mark-IV - GM Gen-V/VI Big Block V8 .051in MLS Cylinder Head Gasket - 4.310in Bore
