Cometic H4230040S Chrysler Gen Hemi Bore MLS Head Gasket - 6.4L 3 4.150 040

The Cometic H4230040S is a high-performance Multi-Layer Steel (MLS) head gasket designed specifically for Chrysler 6.4L Gen 3 Hemi engines. Engineered with a 4.150-inch bore diameter and .040-inch compressed thickness, this gasket provides exceptional sealing and durability for both stock and modified applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior strength and heat resistance
• 4.150-inch bore diameter optimized for Gen 3 Hemi applications
• .040-inch compressed thickness for precise compression ratio tuning
• Stainless steel outer layers with viton rubber sealing compound
• Excellent recovery properties maintain seal integrity under extreme conditions
• Engineered for Chrysler 6.4L Gen 3 Hemi engines (392 cubic inch)

Cometic MLS gaskets feature multiple layers of stainless steel with a viton rubber coating that bonds the layers together while providing the optimum surface for sealing. The MLS design allows the gasket to adapt to minor surface imperfections while maintaining superior combustion sealing. Ideal for performance builds, forced induction applications, and high-compression engines where reliability is critical.