Cometic C5597-070 Cummins 5.9L ISB CR MLS Cylinder Head Gasket .070" Thick

The Cometic C5597-070 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Cummins 5.9L ISB Common Rail diesel engines. This gasket features a .070" compressed thickness and is constructed using Cometic's proven MLX (Multi-Layer Stopper) technology for superior sealing performance under high cylinder pressures.

Key Specifications:

• Bore diameter: 4.100 inches
• Compressed thickness: .070 inches (1.78mm)
• Multi-Layer Steel (MLS) construction with stopper layer technology
• Application-specific design for Cummins 5.9L ISB Common Rail engines
• Accommodates increased cylinder pressures in modified or high-performance applications

Features & Benefits:

• MLX stopper layer technology provides additional sealing around the combustion chamber
• Multiple embossed stainless steel layers create a micro-seal that conforms to surface imperfections
• Excellent recovery characteristics maintain seal integrity through heat cycles
• Designed to handle higher boost pressures and cylinder temperatures than OEM gaskets
• Viton rubber coating on outer layers enhances sealing of coolant and oil passages

Cometic MLS gaskets are a popular choice for both stock rebuilds and performance applications where reliability and durability are critical. The .070" thickness makes this gasket suitable for engines with moderate deck milling or those requiring compression ratio adjustments.