Cometic C5731-070 Ford MLS Cylinder Head Gasket Bore Thick - 460 4.600 070

The Cometic C5731-070 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket specifically engineered for Ford D/E 460 cubic inch Pro Stock racing engines. This precision-manufactured gasket features a 4.600-inch bore diameter and .070-inch compressed thickness, designed to withstand the extreme cylinder pressures and temperatures of competitive racing applications.

Key Specifications:

• Application: Ford D/E 460 Pro Stock engines
• Bore diameter: 4.600 inches
• Compressed thickness: .070 inches (70 thousandths)
• Construction: Multi-Layer Steel (MLS) design
• Pro Stock racing specification

Performance Benefits:

• Multi-layer steel construction provides superior sealing under extreme combustion pressures
• Excellent heat dissipation properties prevent head gasket failure
• Maintains consistent clamping force across the entire sealing surface
• Resists combustion gas leakage and coolant cross-contamination
• Precision-cut bore openings ensure proper piston-to-gasket clearance

Cometic MLS gaskets feature multiple layers of stainless steel with strategically placed embossments that provide exceptional micro-sealing capabilities. The .070-inch thickness allows for precise compression ratio tuning in high-performance and racing applications. This gasket is designed for use with properly prepared deck surfaces and requires correct surface finish specifications for optimal performance.