Cometic C4239-056 MLS Cylinder Head Gasket for Honda B18A1/B18B1 81.5mm Bore

The Cometic C4239-056 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Honda B18A1 and B18B1 engines. This high-performance gasket features an 81.5mm bore diameter and .056" compressed thickness, providing exceptional sealing capability for both stock and modified applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 81.5mm bore diameter engineered for B18A1/B18B1 engine specifications
• .056" (1.42mm) compressed thickness
• Advanced embossment technology ensures even clamping pressure distribution
• Viton rubber gasket coating provides superior resistance to fluids and temperatures
• Reusable design allows for multiple installations when properly maintained
• Eliminates coolant and combustion leaks in demanding conditions

Cometic MLS gaskets are the preferred choice for performance enthusiasts and professional engine builders. The multi-layer steel construction with advanced coating technology provides exceptional conformability to irregular sealing surfaces while maintaining resilient recovery properties. This gasket is ideal for turbocharged, supercharged, or naturally aspirated builds where reliable sealing is critical.