CAE – MLS Exhaust Gasket Set Compatible with LS Engines Fits LS1 LS2 LS3 LS6 (Plus Many More) 4.8L 5.3L 5.7L 6.0L 6.2L Replaces GM 12617944 Manifold Header Gaskets for LS Swaps | No Bolts Included

Certified Automotive Experts Multi-Layer Steel Exhaust Gasket Set for LS EnginesUpgrade your LS build with the Certified Automotive Experts performance LS exhaust gasket solution. These premium gaskets are crafted from multi-layer steel (MLS) to handle extreme heat, vibration, and high-performance exhaust conditions.Engine Compatibility:Fits GM 4.8L, 5.3L, 5.7L, 6.0L, 6.2L LS enginesCompatible with LS1, LS2, LS3, LS6, LQ4, LQ9 (Plus Many More)Also supports RPO codes: L76, L77, L78, L79, L80, L92, L94, L96, L99, LS4, LS7, LS9, LSA, L83, L86, LT1, LT2, LT4, LT5 (Plus Many More)Direct OEM replacement for GM part 12617944Built for Power & LongevityThis exhaust gasket for LS engine design features layered steel for long-lasting pressure resistance. Whether you're replacing a stock manifold gasket or boosting a swap project, Certified Automotive Experts delivers secure, leak-free sealing.Package Includes:2 x Multi-Layer Steel LS Header GasketIdeal For:LS swaps, performance upgrades, and factory rebuilds. Supports ls1 exhaust manifold gasket fitment, 5.3 exhaust manifold gasket replacement, or custom ls exhaust manifold gasket projects.Whether you're dealing with a chevy 6.0 exhaust manifold gasket or need an ls swap exhaust gasket that won’t fail under pressure—Certified Automotive Experts keeps your system sealed and running strong.

• 𝐖𝐈𝐃𝐄 𝐋𝐒 𝐂𝐎𝐌𝐏𝐀𝐓𝐈𝐁𝐈𝐋𝐈𝐓𝐘 – Certified Automotive Experts exhaust manifold gaskets are compatible with LS1, LS2, LS3, LS6, LQ4, and LQ9 (Plus Many More) engines, covering 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L sizes. Ideal for replacing any worn or damaged exhaust gasket in daily drivers, performance builds, or LS swaps.
• 𝐎𝐄𝐌 𝐌𝐀𝐓𝐂𝐇𝐄𝐃 𝐑𝐄𝐏𝐋𝐀𝐂𝐄𝐌𝐄𝐍𝐓 – These LS header gaskets match GM part number 12617944 and are engineered for a direct OEM fit. Whether you're working with a stock setup or aftermarket headers, this manifold gasket ensures easy installation without cutting, grinding, or special modifications.
• 𝐇𝐈𝐆𝐇-𝐒𝐓𝐑𝐄𝐍𝐆𝐓𝐇 𝐌𝐋𝐒 𝐁𝐔𝐈𝐋𝐃 – Each exhaust manifold gasket features a multi-layer steel (MLS) construction to resist heat, pressure, and vibration. Built for durability and sealing performance, these LS exhaust manifold gaskets are ideal for naturally aspirated or boosted LS engine builds.
• 𝐋𝐄𝐀𝐊-𝐅𝐑𝐄𝐄 𝐒𝐄𝐀𝐋𝐈𝐍𝐆 – Designed for maximum sealing, these performance LS exhaust gaskets prevent leaks between the LS cylinder head and exhaust manifold. Perfect for applications requiring a reliable LS engine exhaust gasket without the risk of blowouts or re-torquing.
• 𝐏𝐄𝐑𝐅𝐄𝐂𝐓 𝐅𝐎𝐑 𝐒𝐖𝐀𝐏𝐒 – Whether you're doing an LS1 exhaust gasket replacement, upgrading a 5.3 exhaust manifold gasket, or outfitting a truck with an LS swap exhaust gasket, these gaskets offer universal fit and premium reliability for high-output or street LS builds.
• 𝐀𝐃𝐃𝐈𝐓𝐈𝐎𝐍𝐀𝐋 𝐑𝐏𝐎 𝐂𝐎𝐃𝐄 𝐂𝐎𝐕𝐄𝐑𝐀𝐆𝐄 – In addition to LS1, LS2, LS3, LS6, LQ4, and LQ9, this gasket set fits engines with the following RPO codes: L76, L77, L78, L79, L80, L92, L94, L96, L99, LS4, LS7, LS9, LSA, L83, L86, LT1, LT2, LT4, LT5. Designed to handle a wide range of LS and Gen IV/V performance applications.