Cometic C5333-051 GM Big Block MLS Cylinder Head Gasket Bore - V8 4.540

The Cometic C5333-051 is a premium Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM Generation V and VI Big Block V8 engines. This high-performance gasket features a 4.540-inch bore diameter and a compressed thickness of .051 inches, making it ideal for both stock rebuilds and performance applications.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability
• 4.540-inch bore diameter accommodates standard and slightly overbored cylinders
• .051-inch compressed thickness for precise deck height control
• Compatible with GM Gen V and Gen VI Big Block V8 engines
• Engineered to withstand extreme cylinder pressures and temperatures
• Embossed stainless steel layers with Viton rubber coating ensure optimal sealing

Cometic MLS gaskets feature multiple layers of stainless steel with elastomeric coatings that adapt to surface imperfections, providing exceptional sealing even under high boost or compression conditions. The unique design allows the gasket to recover and maintain sealing integrity through repeated heat cycles, making it an excellent choice for performance street engines, racing applications, and forced induction builds.