Cometic C5934-040 GM LSX Gen-4 MLS Cylinder Head Gasket 4.125" Bore .040" Thick

The Cometic C5934-040 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for GM LSX Gen-4 small block V8 engines. This left-hand side gasket features a 4.125-inch bore diameter and .040-inch compressed thickness, providing optimal sealing performance for high-performance and stock applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior durability and heat resistance
• 4.125-inch bore diameter optimized for LSX Gen-4 engine specifications
• .040-inch (1.02mm) compressed thickness for precise deck height control
• Left-hand side (LHS) configuration
• Compatible with GM LS2, LS3, LS7, LS9, and LSA engines
• Engineered to handle high cylinder pressures in boosted and naturally aspirated applications
• Eliminates the need for retorquing after initial installation

Cometic's MLS gaskets feature multiple layers of stainless steel with advanced coating technology to ensure maximum sealing capability while maintaining excellent reusability. The gasket conforms to surface imperfections and provides consistent clamping pressure across the entire sealing surface, making it ideal for performance builds and engine rebuilds.