Cometic C9828 Copper Base Gasket Set 3.813" Bore .020" Panhead Shovelhead

The Cometic C9828 is a premium copper head gasket set designed specifically for Harley-Davidson Panhead and Shovelhead engines with a 3 13/16-inch (3.813") bore. These high-performance base gaskets feature a .020-inch thickness and are sold as a pair for complete engine coverage.

Key Features:

• Solid copper construction for superior heat dissipation and conformability
• 3.813-inch (3 13/16") bore diameter for precise fitment
• .020-inch gasket thickness for optimal compression
• Pair of gaskets included for both cylinders
• Designed for Panhead and Shovelhead V-Twin engines
• Reusable design with proper preparation and installation
• Excellent for high-compression and high-performance applications

Cometic gaskets are manufactured using advanced materials and precision cutting technology to ensure consistent quality and reliable sealing. Copper gaskets are ideal for engines that generate significant heat and require maximum conformability to sealing surfaces. The soft copper material fills minor surface imperfections while maintaining excellent thermal conductivity.