Cometic C4634-030 MLS Cylinder Head Gasket for Honda F20B 86mm Bore

The Cometic C4634-030 is a Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Honda F20B engines with an 86mm bore. This precision-manufactured gasket features a .030" (0.76mm) compressed thickness, making it ideal for performance applications requiring a slightly thicker gasket to accommodate deck surface modifications or to adjust compression ratios.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability under high combustion pressures
• Designed for 86mm bore Honda F20B engines
• .030" compressed thickness for precise compression control
• Exceeds OEM gasket performance in both stock and modified applications
• Stainless steel construction with advanced coating technology for optimal sealing
• Resists blowout and maintains seal integrity under extreme temperatures and pressures

Cometic's MLS gaskets feature multiple layers of stainless steel with embossed sealing beads around combustion chambers, coolant passages, and oil galleries. This design allows the gasket to respond to thermal expansion and contraction while maintaining a consistent seal. The proprietary coating ensures excellent release characteristics and enhanced conformability to sealing surfaces.

Application Note: This gasket is specifically designed for Honda F20B engines and requires proper surface preparation for optimal performance. Surfaces should be flat, smooth, and free of imperfections for MLS gaskets to seal correctly.