Cometic C10034-045 Heavy Duty Twin Cam Head Gasket 3.937" Bore .045" Thickness

The Cometic C10034-045 is a premium heavy-duty head gasket designed for 2002 and newer Harley-Davidson Twin Cam engines with a 3.937-inch bore. This high-performance gasket features a .045-inch thickness and incorporates Cometic's advanced top end sealing technology with new hat-style valve seals for superior combustion sealing.

Key Features:

• 3.937-inch (100mm) bore diameter for 103ci and 110ci Twin Cam applications
• .045-inch compressed thickness provides optimal compression ratio tuning
• Multi-Layer Steel (MLS) construction with advanced embossments for superior sealing
• Integrated hat-style valve seals for complete top-end sealing solution
• Compatible with 2002 and newer Twin Cam 88, 96, 103, and 110 engines
• Designed for performance and big-bore applications requiring precise compression control

Cometic gaskets are manufactured using premium materials and aerospace-grade manufacturing processes to ensure consistent quality and reliable sealing under extreme conditions. The MLS design allows the gasket to recover and maintain seal integrity through repeated heat cycles, making it ideal for high-performance and racing applications.