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Seal your high-performance engine with the Blox Racing 81mm Metal Head Gasket. This 3-layer Multi-Layer Steel (MLS) gasket is a premium choice for both standard OEM replacements and specialized LS/VTEC or B20/VTEC hybrid builds. Engineered for durability, each gasket is treated with a high-temperature polymer and a Teflon coating to resist chemicals and extreme heat. With a precision compressed thickness of 0.030", it ensures the structural integrity and combustion seal required for high-compression or turbocharged B-series engines.