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The Cometic MLS head gasket for GM LS Gen-3/4 small block V8 (4.000 in bore) is a multi-layer steel cylinder head gasket with a compressed operating thickness of 0.098 in. It seals high-output engines without sealants and is suitable for aluminum-to-aluminum or aluminum-to-iron installations. Featuring embossed stainless steel outer layers coated with Viton and an uncoated shim center, the gasket offers corrosion resistance, rebound under load, improved load distribution across the sealing area, and reduced clamp load to minimize bore distortion.
Cometic GM LS Gen-3/4 Small Block V8 .098in MLS Cylinder Head Gasket - 4.000in Bore
