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Cometic MLS head gasket for GM Pro Stock 800 CI (4.800 in bore) features a multi‑layer stainless steel assembly with a compressed operating thickness of 0.065 in. Embossed outer layers coated with Viton handle elevated temperatures and rough surface finishes; the uncoated center shim allows thickness variation. MLS construction rebounds and resists corrosion while distributing clamp load to minimize bore distortion.
Cometic GM Pro Stock 800 CI .065in MLS Cylinder Head Gasket - 4.800in Bore
