Cometic C9894-030HB Twin Cam Bore MLS Head Gasket Kit - 100mm 030

The Cometic C9894-030HB is a high-performance Multi-Layer Steel (MLS) head gasket kit designed for Harley-Davidson Twin Cam engines with 100mm big bore cylinders. This kit features a .030" (0.76mm) compressed gasket thickness and incorporates Cometic's advanced MLS technology with integrated O-ring design for maximum sealing reliability under high compression and performance applications.

Key Features:

• Multi-Layer Steel construction with stainless steel outer layers for superior durability
• 100mm bore size specifically engineered for big bore Twin Cam applications
• .030" compressed thickness allows precise compression ratio tuning
• Integrated O-ring embossment eliminates the need for machined grooves
• Viton rubber gasket coating ensures excellent heat resistance and sealing
• Compatible with Twin Cam 88, 95, 96, 103, and 110 big bore conversions
• Includes all necessary head gaskets and O-rings for complete installation

Cometic MLS head gaskets are the choice of professional engine builders and performance enthusiasts for their ability to withstand extreme cylinder pressures and temperatures. The advanced layered design allows the gasket to conform to imperfect sealing surfaces while maintaining superior combustion sealing. Ideal for high-compression builds, forced induction applications, and engines with significant power modifications.