Product Description
Cometic LS .051" MLS Head Gasket, 4.030" Bore, 4-Bolt
Fits 1997-Later GM 6.0L Gen 3 & Gen 4 LS Engines | High-Strength Multi-Layer Steel Design
The Cometic LS .051" MLS Head Gasket (4.030" Bore, 4-Bolt) is engineered for maximum sealing strength and long-term reliability in high-performance LS engines. Designed with a 3-layer Multi-Layer Steel (MLS) construction, it provides exceptional sealing between the cylinder head and block—perfect for boosted, high-compression, or naturally aspirated performance builds. The gasket’s Viton-coated outer layers ensure heat resistance up to 482°F (250°C), offering a superior seal between aluminum or cast iron surfaces without requiring sealant.
Key Features
- Premium MLS Construction: Built from three layers of stainless steel for superior strength, consistent sealing, and corrosion resistance in demanding applications.
- Heat-Resistant Viton Coating: Coated for temperature resistance up to 482°F (250°C) to ensure a tight, reliable seal between aluminum or cast iron surfaces.
- Precision Engineered: Features a 4.030" bore and .051" compressed thickness to provide exact fitment and dependable performance for 6.0L LS engines.
- Boost & High-Compression Ready: Designed to handle extreme cylinder pressures for turbocharged, supercharged, or high-performance naturally aspirated setups.
- Sold Individually or as a Pair: Ideal for both single-side replacements or complete engine rebuilds.
Key Fitments
- Engine Applications: Fits 1997-later 6.0L Gen 3 and Gen 4 LS-based engines, including LS2, LQ4, LQ9, L76, LY6, L96, and other 4-bolt head configurations.
- Vehicle Compatibility: Suitable for GM cars and trucks utilizing LS platforms — perfect for street builds, performance upgrades, and race applications.
- Designed For: Engine builders and LS enthusiasts seeking reliable head sealing for high-performance and forced induction setups.
Specifications: 4.030" Bore | .051" Compressed Thickness | 3-Layer MLS | Viton-Coated | 4-Bolt Design
Note: This gasket is sold individually but can also be purchased as a pair. Ideal for high-compression builds, boosted engines, and performance applications demanding maximum sealing strength and thermal stability.
