Cometic C9949-051 HD Top End Gasket Kit Bore MLS Head Gasket - 110ci 4 051

The Cometic C9949-051 is a high-performance top end gasket kit designed for Harley-Davidson 110 cubic inch V-twin engines with 4-inch bore cylinders. This complete kit features Cometic's premium Multi-Layer Steel (MLS) head gaskets with a .051-inch compressed thickness, engineered to provide superior sealing under extreme cylinder pressure and temperature conditions.

Key Features:

• MLS head gaskets with .051" compressed thickness for optimal sealing and performance
• Precision-engineered for 4.000" bore 110ci Harley-Davidson engines
• Includes .530" valve guide seals for complete top end rebuild
• Multi-Layer Steel construction provides exceptional durability and heat resistance
• Embossed stainless steel layers with FKM elastomer coating ensure maximum gasket integrity
• Designed to withstand high compression and extreme combustion temperatures

This kit provides everything needed for a professional top end rebuild, combining Cometic's race-proven MLS head gasket technology with quality valve guide seals. The .051-inch gasket thickness allows builders to fine-tune compression ratios while maintaining reliable sealing. Ideal for performance builds, engine rebuilds, and high-compression applications on H-D Big Twin motors.