Cometic C9894-027 HD Twin Cam Bore MLS Head Gasket - 100mm 027 Pair

The Cometic C9894-027 is a high-performance Multi-Layer Steel (MLS) head gasket set designed specifically for Harley-Davidson Twin Cam engines with 100mm bore configurations. This pair of premium head gaskets features a .027" (0.027 inch) compressed thickness, making them ideal for custom builds, performance applications, and engine rebuilds where precise compression control is essential.

Key Features:

• Multi-Layer Steel construction for superior sealing and durability
• 100mm bore diameter designed for big bore Twin Cam applications
• .027" compressed gasket thickness for accurate compression tuning
• Includes pair of head gaskets (left and right cylinder)
• Embossed stainless steel outer layers with elastomer coating
• Exceeds OEM specifications for high-performance and racing applications
• Resists blowout and provides consistent clamping pressure

Cometic MLS head gaskets are the choice of professional engine builders and performance enthusiasts who demand precise fitment and reliable sealing under extreme conditions. The advanced MLS design accommodates thermal expansion and cylinder head movement better than conventional gaskets, making them particularly suited for modified engines with increased compression ratios or forced induction.