Cometic C9917 Top End Gasket Big Bore Evo Big Twin Kit

The Cometic C9917 Top End Gasket Big Bore Evo Big Twin Kit is designed for Harley-Davidson applications and reflects Cometic Gasket’s focus on advanced gasket technology. The kit uses materials, manufacturing processes, and gasket designs developed to meet the demands of high-performance V-Twin engines.

Cometic Harley-Davidson gasket kits include the gaskets, seals, washers, and O-rings needed for a complete overhaul. The C9917 kit is made to provide a comprehensive top-end gasket solution for the specified Big Bore Evo Big Twin application, with components selected to support dependable sealing performance.

Harley-Davidson EST Gasket Kits feature MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and AFM material. With Cometic’s attention to material selection and manufacturing quality, the C9917 kit offers a complete and practical approach to top-end gasket replacement.

Features:

• Brand: Cometic
• Part Number: C9917
• Application: Top-end gasket kit for Big Bore Evo Big Twin applications
• Kit Contents: Includes gaskets, seals, washers, and O-rings for a complete overhaul
• Head Gaskets: MLS construction
• Base Gaskets: Steel with Viton coating
• Valve Stem Seals: Blue Viton construction
• Additional Material: AFM material included in the EST gasket kit design