Cometic C5333-045 GM Gen V/VI Big Block MLS Head Gasket Bore - V8 4.540

The Cometic C5333-045 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM Generation V and Generation VI Big Block V8 engines. This precision gasket features a 4.540-inch bore diameter and a compressed thickness of .045 inches, providing exceptional sealing capabilities for demanding engine applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior durability and heat resistance
• 4.540-inch bore diameter designed for GM Big Block V8 engines
• .045-inch compressed gasket thickness
• Compatible with GM Generation V and Generation VI Big Block engines
• Advanced sealing technology prevents combustion leaks and maintains optimal compression
• Engineered to withstand extreme cylinder pressures and temperatures

Cometic MLS gaskets utilize multiple layers of stainless steel with specialized coatings to create a gasket that conforms to irregular sealing surfaces while maintaining structural integrity. The .045-inch thickness allows for precise compression ratio tuning, making this gasket ideal for performance builds, engine rebuilds, and racing applications where reliability is critical.