Enginetech C346HS-B MLS Head Gasket GM 5.7L 346ci LS1 Engine

The Enginetech C346HS-B is a Multi-Layer Steel (MLS) head gasket engineered for General Motors 5.7L (346 cubic inch) LS1 engines. MLS head gaskets provide superior sealing performance compared to traditional composite gaskets, making them the preferred choice for both factory replacement and performance engine builds.

Key Features:

• Multi-Layer Steel (MLS) construction for enhanced durability and sealing integrity
• Designed specifically for the GM 5.7L 346ci LS1 engine family
• Provides a reliable combustion seal against high cylinder pressures
• Resistant to heat cycling, coolant, and oil degradation
• Engineered to OEM specifications for proper fit and function
• Suitable for stock rebuilds as well as mild performance applications

Enginetech is a trusted name in engine rebuilding components, supplying professional engine builders and rebuild shops with precision-manufactured gaskets, rings, and bearings. The C346HS-B is sold as a single head gasket — order two for a complete engine rebuild.