Cometic C9894-056 HD Twin Cam Bore MLS Head Gasket - 100mm 056 Pair

The Cometic C9894-056 is a premium Multi-Layer Steel (MLS) head gasket set designed specifically for Harley-Davidson Twin Cam engines with a 100mm bore size. These gaskets feature a compressed thickness of .056 inches, making them ideal for high-performance and stroker motor builds where precise deck height and compression ratio control are critical.

Key Features:

• Multi-Layer Steel construction provides superior sealing and durability under extreme cylinder pressures
• 100mm bore diameter accommodates big bore cylinder kits and performance engine builds
• .056" compressed thickness allows fine-tuning of compression ratios and deck clearance
• Sold as a pair for complete twin cylinder coverage
• Engineered specifically for Harley-Davidson Twin Cam platform
• Premium embossed sealing beads ensure consistent clamping force and combustion sealing

Cometic gaskets are a trusted choice among engine builders and performance enthusiasts for their ability to withstand high heat and pressure while maintaining a reliable seal. The MLS design features multiple layers of stainless steel with elastomeric coatings that compensate for surface imperfections and thermal expansion, making them ideal for both street and racing applications.