Cometic C5329-023 MLS Cylinder Head Gasket Chevy Big Block Bore - 4.375

The Cometic C5329-023 is a Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet Mark IV Big Block V8 engines with a 4.375-inch bore diameter. This high-performance gasket features a compressed thickness of .023 inches, making it ideal for engines with minimal deck milling or stock compression applications.

Key Features:

• Multi-Layer Steel construction provides superior sealing and durability under extreme conditions
• 4.375-inch bore diameter designed for Chevrolet Mark IV Big Block V8 engines
• .023-inch compressed thickness for precise combustion chamber sealing
• MLS design allows for controlled micro-movement between cylinder head and block
• High-temperature resistant coating ensures reliable performance in high-boost and high-compression applications
• Eliminates the need for additional sealants during installation

Cometic's MLS gaskets are a premium choice for engine builders and performance enthusiasts seeking maximum reliability. The multi-layer construction distributes clamping force evenly across the sealing surface, reducing the risk of gasket failure in demanding applications. Compatible with Chevrolet 396, 402, 427, and 454 cubic inch Mark IV Big Block engines with the specified bore size.