Cometic C5451-040 GM DRCE Pro Stock MLS Head Gasket Bore - 500 2 040 4.780

The Cometic C5451-040 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for GM 500 DRCE 2 Pro Stock V8 engines. This precision-manufactured gasket features a .040" compressed thickness and is designed to handle the extreme cylinder pressures found in professional racing applications.

Key Specifications:

• Bore diameter: 4.780 inches
• Bore center spacing: 4.900 inches
• Compressed thickness: .040 inches (40 thousandths)
• Multi-Layer Steel (MLS) construction for maximum sealing and durability
• Designed for GM 500 DRCE 2 Pro Stock V8 engines

Cometic's MLS head gaskets utilize multiple layers of stainless steel with advanced coating technology to provide superior sealing under extreme conditions. The gasket's construction allows it to conform to minor surface imperfections while maintaining optimal combustion sealing, making it ideal for high-compression, high-horsepower racing engines. Each gasket is manufactured to exacting tolerances to ensure consistent performance and reliability in demanding motorsports environments.