Cometic C5404-045 MLS Cylinder Head Gasket Bore Thick Chevy Small Block - 4.030 045

The Cometic C5404-045 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet Generation 1 Small Block V8 engines. This precision gasket features a 4.030-inch bore diameter and .045-inch compressed thickness, making it ideal for performance builds and engine rebuilds requiring superior sealing capabilities.

Key Features:

• Multi-Layer Steel (MLS) construction for maximum durability and superior sealing
• 4.030-inch bore diameter accommodates standard and slightly overbored small block Chevy engines
• .045-inch compressed thickness allows precise compression ratio tuning
• Designed for compatibility with Brodix BD2000 cylinder heads
• Embossed stainless steel layers with elastomeric coating provide excellent combustion sealing
• Resists blowout and maintains seal integrity under extreme cylinder pressures
• Superior resistance to heat and corrosion compared to traditional composite gaskets

Cometic MLS gaskets are the preferred choice for high-performance and racing applications where reliability and consistent sealing are critical. The multi-layer design allows the gasket to conform to deck surface imperfections while maintaining excellent recovery properties through repeated heat cycles. This gasket is specifically engineered to work with the Brodix BD2000 head design, ensuring proper coolant passage and combustion chamber sealing.