Cometic C5219-056 MLS Cylinder Head Gasket for Chevrolet W-Series Big Block - 348/409 V8

The Cometic C5219-056 is a Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet 348 and 409 W-Series Big Block V8 engines. This precision gasket features a 4.437-inch bore diameter and a .056-inch compressed thickness, delivering exceptional sealing performance for both street and performance applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior durability and conformability
• 4.437-inch bore diameter optimized for 348/409 W-Series engines
• .056-inch compressed thickness for precise compression control
• Advanced embossment technology ensures even load distribution
• Engineered to withstand extreme cylinder pressures and temperatures
• Reusable design allows for multiple installation cycles
• Compatible with aluminum and cast iron cylinder heads

Cometic's MLS head gaskets feature multiple layers of stainless steel with specialized coatings that allow the gasket to adapt to minor surface imperfections while maintaining an effective seal. The precisely controlled embossments provide optimal sealing around combustion chambers, oil passages, and coolant ports. Ideal for high-performance rebuilds, forced induction applications, and racing engines where reliability is critical.