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Kooks Cometic MLS exhaust gaskets are multi-layer steel header gaskets crafted for GM LS-based Gen III and IV small-block engines. Offered as replacement or upgrade parts where Kooks header kits are used, the MLS design supports durable sealing in high-temperature exhaust applications. Kooks highlights U.S. craftsmanship and race-proven development; these gaskets are intended for headers and should be matched to the correct cylinder head and header flange configuration.
Kooks GM LSX Cylinder Heads Cometic MLS (Multi-Layer Steel) Exhaust Gaskets
