Cometic C10034-030-B-010S Twin Cam Head Gasket 3.937" Bore .030" Thick with Valve Seals

The Cometic C10034-030-B-010S is a premium head gasket designed for 2002 and newer Harley-Davidson Twin Cam engines. This gasket features a 3.937" bore diameter with a .030" compressed thickness, engineered to provide superior sealing performance in high-performance and stock applications.

Key Features:

• Top End (T/E) gasket with integrated valve seals for complete cylinder head sealing
• 3.937" bore diameter optimized for Twin Cam cylinder specifications
• .030" compressed thickness for precise compression control
• Includes new hat-style valve seals for enhanced oil control
• Multi-Layer Steel (MLS) construction for maximum durability and heat resistance
• Proprietary coating ensures superior sealing under extreme temperatures and pressures
• Designed for both stock and modified Twin Cam engines

Cometic gaskets are manufactured using advanced materials and precision manufacturing processes to deliver race-proven reliability. The MLS design allows the gasket to conform to slight surface imperfections while maintaining consistent clamping pressure across the entire sealing surface. Perfect for engine rebuilds, performance upgrades, or replacing worn factory gaskets.