Cometic C9824 Copper Base Gasket Set for Harley Big Twin 1984-Up

The Cometic C9824 is a premium heavy-duty copper base gasket set designed for Harley-Davidson Big Twin engines from 1984 and newer. This 2-pack includes gaskets with a 3-13/16 inch bore diameter and .016 inch thickness, providing reliable sealing for cylinder-to-crankcase applications.

Key Features:

• Constructed from high-quality copper material for superior heat dissipation and conformability
• 3-13/16 inch bore diameter accommodates Big Twin cylinder specifications
• .016 inch (.406mm) gasket thickness for precise compression control
• Heavy-duty construction withstands high-performance and high-compression applications
• Set includes 2 gaskets for complete twin-cylinder installation
• Compatible with Harley-Davidson Big Twin models 1984 and up

Cometic gaskets are engineered with advanced materials and manufacturing processes to provide exceptional sealing performance. The copper construction offers excellent thermal conductivity and the ability to conform to imperfect sealing surfaces, making these gaskets ideal for both stock rebuilds and high-performance engine builds.