Cometic C5333-070 GM Gen V/VI Big Block MLS Cylinder Head Gasket Bore - V8 4.540

The Cometic C5333-070 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM Generation V and Generation VI Big Block V8 engines. This high-performance gasket features a 4.540-inch bore diameter and a .070-inch compressed thickness, making it ideal for built engines requiring enhanced sealing capabilities.

Key Features:

• Multi-Layer Steel construction provides superior strength and durability under extreme cylinder pressures
• 4.540-inch bore diameter accommodates stock and slightly overbored applications
• .070-inch (1.78mm) compressed thickness for precise compression ratio tuning
• Embossed steel layers with elastomer coating ensure optimal sealing across the entire head surface
• Designed to withstand high heat and extreme combustion pressures in performance applications
• Resists blown gaskets and eliminates common failure points found in composite gaskets

Cometic MLS head gaskets are the choice of professional engine builders and racers worldwide. The multi-layer design allows the gasket to compensate for minor surface imperfections while maintaining excellent torque retention. Perfect for street performance, racing, forced induction, and nitrous applications where reliability is critical.