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The Cometic MLS head gasket for GM LS Gen-3/4 small block V8 (4.100 in bore) is a multi-layer steel cylinder head gasket with a compressed operating thickness of 0.086 in. It seals high-output engines without additional sealants and fits aluminum-to-aluminum or aluminum-to-iron configurations. Made with embossed stainless steel outer layers coated in Viton and an uncoated center shim, the gasket resists corrosion, rebounds under load, conforms sealing loads across the area, and reduces clamp load to help limit bore distortion.
Cometic GM LS Gen-3/4 Small Block V8 .086in MLS Cylinder Head Gasket - 4.100in Bore
