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Cometic MLS head gasket for Chevrolet Mark-IV Big Block V8, 4.630in bore with a compressed operating thickness of 0.027in. Constructed from multiple embossed stainless steel layers with AMP coatings and an uncoated shim layer, the outer faces receive Viton coating on both sides (heat resistant to 250 C/482 F). Designed to seal without sealants, this MLS gasket suits aluminum-to-aluminum or aluminum-to-cast-iron assemblies and helps distribute sealing load while reducing clamp load and bore distortion.
Cometic Chevrolet Mark-IV Big Block V8 .027in MLS Cylinder Head Gasket - 4.630in Bore
