Cometic C9716 HD Head Gasket for Harley Evo 1340 3.8125 Bore .016 Copper

The Cometic C9716 is a premium heavy-duty copper head gasket designed specifically for Harley-Davidson Evolution 1340cc engines. This gasket features a 3-13/16 inch (3.8125") bore diameter and a compressed thickness of .016 inches, providing exceptional sealing performance for high-compression and performance applications.

Key Features:

• Premium copper construction for superior heat dissipation and conformability
• 3.8125" bore diameter designed for Big Twin Evolution 1340 engines
• .016" compressed gasket thickness for precise compression ratio tuning
• Heavy-duty design suitable for performance and high-compression builds
• Cometic's precision manufacturing ensures consistent quality and reliability
• Reusable design allows for multiple installations when properly maintained

Copper head gaskets are the preferred choice for serious engine builders due to their excellent thermal conductivity and ability to conform to minor surface imperfections. The .016" thickness makes this gasket ideal for applications requiring precise compression control, and the 3-13/16" bore accommodates stock and mildly overbored cylinders on Evo 1340 engines.