Cometic C9674 HD 1340 Base Gasket .032" Copper 3-13/16" Bore 2-Pack

The Cometic C9674 Heavy Duty base gasket set is designed for Harley-Davidson 1340cc Evolution engines with a 3-13/16" bore. These premium gaskets feature a .032" thickness and are constructed from solid copper for superior heat dissipation and durability.

Key Features:

• Solid copper construction for excellent thermal conductivity and sealing
• 3-13/16" (3.8125") bore diameter fits HD 1340 Evolution engines
• .032" thickness allows for precise compression ratio tuning
• Heavy-duty design handles high compression and extreme conditions
• Includes 2 gaskets per package
• Compatible with stock and performance builds

Cometic gaskets are manufactured using advanced materials and precision die-cutting technology to ensure a perfect seal and long-lasting performance. Copper base gaskets are ideal for applications requiring maximum heat transfer and conformability to slightly imperfect mating surfaces.