Michigan Motorsports LS3 5-Layer MLS Cylinder Head Gasket - Like GM #12610046-4.100" Bore - Fits 6.0L & 6.2L LS Engines - LQ4, LQ9 L96 L76 LY6 L92 L99 - Single Multi-Layer Steel Gasket

The LS3 5-Layer MLS Cylinder Head Gasket is engineered to deliver exceptional sealing performance for 6.0L and 6.2L LS-based engines. Its multi-layer steel design withstands extreme cylinder pressure and temperature—making it the right choice for naturally aspirated, turbocharged, or supercharged applications. With a 4.100” bore size, this gasket fits a wide range of Gen III and Gen IV LS engines, including LS3, LQ4, LQ9, LY6, L92, L96, L99, and L76. Whether you’re completing a top-end refresh, repairing a blown gasket, or building a performance engine, this gasket delivers OEM-level fitment with race-ready durability. Sold individually, this gasket is perfect for one-cylinder head service or modular part sourcing during custom builds or staged repairs.

• 5-Layer MLS Construction – Built with multi-layer steel (MLS) to provide a strong, reliable combustion seal for high-compression and forced-induction LS engines.
• OEM Fit and Function – Replaces GM 12610046 and delivers OEM-quality sealing with aftermarket strength, ideal for performance and factory rebuilds alike.
• Designed for 4.100” Bore Applications – Perfect fit for oversized bore LS builds, including stroker and large displacement combinations.
• Fits Popular 6.0L & 6.2L LS Engines – Compatible with LS3, LQ4, LQ9, L96, L76, LY6, L92, and L99 platforms.
• Sold Individually – This listing includes one (1) head gasket, ideal for single head repairs or custom engine builds.