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Cometic MLS head gasket for Chevrolet Mark-IV Big Block V8, 4.630in bore with a compressed operating thickness of 0.030in. Built from multiple embossed stainless steel layers including AMP and an uncoated center shim, the outer layers are coated with Viton on both sides (heat resistant to 250 C/482 F). MLS construction delivers strong sealing without sealants, is compatible with aluminum-to-aluminum or aluminum-to-iron setups, and supports even load distribution while minimizing clamp load and bore distortion.
Cometic Chevrolet Mark-IV Big Block V8 .030in MLS Cylinder Head Gasket - 4.630in Bore
