Cometic C5247-034 MLS Cylinder Head Gasket Chevy SBC Bore Thick - 4.125 034

The Cometic C5247-034 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chevrolet Generation 1 Small Block V8 engines. This gasket features a compressed thickness of .034 inches and a 4.125-inch bore diameter, making it ideal for performance rebuilds and high-compression applications.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under extreme cylinder pressures
• 4.125-inch round bore design accommodates standard and slightly overbored small block Chevy cylinders
• .034-inch compressed thickness allows for precise compression ratio tuning
• Compatible with 18-degree and 23-degree cylinder head angles
• Includes steam holes for proper coolant circulation
• Embossed stainless steel layers with elastomeric coating ensure exceptional conformability
• Resists combustion gas blowout and coolant leakage better than traditional composite gaskets

Cometic MLS gaskets are designed to withstand the demands of high-performance and racing applications, offering maximum sealing reliability for modified engines with increased horsepower and cylinder pressure. The advanced MLS design allows the gasket to adapt to minor surface imperfections while maintaining a consistent seal across the entire combustion chamber.