The GM 12657093 Exhaust Manifold/Header Gasket Pair with Bolts is the complete OEM solution for sealing and securing your Gen V LT engine's exhaust system. Featuring two multi-layer steel (MLS) gaskets and a full set of new OEM-style bolts, this kit ensures a reliable, leak-free seal while simplifying manifold or header installation. Built to handle extreme heat and pressure, the MLS gaskets prevent blowouts and exhaust leaks, while the factory bolts provide the clamping force required for long-lasting durability. Designed for 2014+ Gen V LT engines including LT1, LT4, L82, L83, L84, L86, L87, and L8T, this kit is ideal for stock replacements, performance header installs, and boosted builds.