Michigan Motorsports LS1 LS6 Cylinder Head Gaskets | MLS Multi-Layer Steel | Fits 4.8L 5.3L 5.7L LS Engines | Replaces GM 12589226

The LS1 LS6 Multi-Layer Steel (MLS) Cylinder Head Gaskets are designed for maximum sealing performance and durability in 4.8L, 5.3L, and 5.7L LS engines. Manufactured using multi-layer steel technology, these gaskets ensure a strong, heat-resistant, and corrosion-resistant seal, making them ideal for OEM replacements, high-performance builds, and forced induction applications. Engineered to meet or exceed GM specifications, these gaskets are a direct replacement for GM part number 12589226, fitting a wide range of LS-based engines, including LS1 and LS6 applications. Whether you're rebuilding an LS engine or upgrading for higher compression and performance, these MLS head gaskets deliver superior sealing and longevity under extreme conditions. Trusted by engine builders, performance shops, and LS enthusiasts, these head gaskets provide reliable sealing for daily drivers, race cars, and high-performance applications.

• OEM-Quality MLS Head Gaskets: Multi-layer steel (MLS) construction provides superior sealing and durability for LS-based engines.
• Fits 4.8L, 5.3L, and 5.7L LS Engines: Designed for LS1, LS6, and other LS applications requiring GM part number 12589226. Cylinder Bore Diameter 3.940 in
• Reliable Performance Under High Compression: Built for stock and performance engine applications, ensuring a tight seal under high loads.
• Heat-Resistant and Corrosion-Resistant: Engineered for long-term reliability, preventing coolant and oil leaks even in extreme conditions.
• Direct Replacement for Factory Gaskets: Perfect fit for GM LS engines, eliminating the need for modifications during installation.