Michigan Motorsports LS Multi-Layer Steel (MLS) Header Manifold Exhaust Gasket | Direct Replacement for GM 12617944 | High-Performance Seal for LS1 LS2 LS3 LS6 LQ4 LQ9 4.8 5.3 5.7 6.0 6.2 Engines

Perfect Fitment for LS Engines: Specifically designed to fit GM LS-series engines, including LS1, LS2, LS3, LS6, LS7 and LQ-series platforms.

High-Performance Multi-Layer Steel (MLS) Construction: Designed for maximum durability and superior sealing, preventing exhaust leaks in high-temperature and high-performance applications.

Direct OEM Replacement: Precision-engineered to match GM OEM specifications for an easy, hassle-free installation. No modifications or special tools required, making it perfect for DIY enthusiasts and professionals alike.

Enhanced Sealing Performance: Multi-Layer construction provides exceptional resistance to blowouts and warping, even under high-stress conditions. Eliminates commons issues like exhaust leaks and noise.

Essential for LS Swaps, Performance Builds, and Maintenance: A must-have for engine rebuilds, header installations, and LS swap projects, offering superior sealing performance for high-output applications.