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Cometic MLS cylinder head gasket for GM LS Gen-3/4 small-block V8 engines with a 4.060-inch bore and 0.092-inch compressed thickness. Multiple embossed stainless steel layers with Viton-coated outer faces provide reliable sealing without additional sealants. The uncoated center shim allows thickness variation; MLS construction evens load across the sealing area, resists corrosion and shearing between aluminum and iron components, and lowers clamp load to help limit bore distortion. Viton coating withstands 250°C (482°F).
Cometic GM LS1 SB 4.060 inch Bore .092 inch MLS-5 Head Gasket
