Cometic C8717-018 MLS Cylinder Head Gasket Bore Thickness - 70mm 0.018

The Cometic C8717-018 is a high-performance multi-layer steel (MLS) cylinder head gasket engineered for demanding motorcycle applications. Featuring a 70mm bore diameter and 0.018" compressed thickness, this precision gasket delivers superior sealing performance in high-performance and OE replacement applications.

Advanced MLS Construction:

• Multi-layer steel design with Load Control Embossments (LCE) promotes even torque distribution across the sealing surface
• Reduces bore distortion for improved piston ring seal and increased power output
• Outer layers embossed and coated on both sides with Viton for resistance to harsh sealing environments
• Center shim layer constructed from uncoated stainless steel for dimensional stability
• Manufactured from premium fuel-resistant materials that resist creeping, cracking, and brittleness

Quality and Performance:

Cometic gaskets are trusted by professionals worldwide in high-performance machines and as OE replacements. Each gasket is engineered with materials specific to the application requirements, ensuring maximum performance tolerances and long-term reliability. Made in the USA with precision manufacturing standards.