Cometic C8710-018 MLS Head Gasket Bore Thickness - 68mm 018

The Cometic C8710-018 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered for Yamaha YZF-R6 sport bike motorcycles. This precision-manufactured gasket features a 68mm pocketed bore design with a compressed thickness of .018 inches, making it thinner than the standard .027" version to increase compression ratio for improved engine performance.

Advanced MLS Construction:

• 2-layer Multi-Layer Stainless Steel construction for exceptional strength and durability
• Stainless steel layers provide superior rebound characteristics and corrosion resistance
• Outer layers coated with FKM (Viton) rubber material, heat-resistant up to 482°F
• PTFE topcoat enhances resistance to fretting and improves cold sealing properties
• Embossed design creates load-controlled compression for even clamping force

Performance Benefits:

• Requires no sealants for installation - provides exceptional sealing performance out of the box
• No re-torque required after installation
• Reduces bore distortion compared to conventional gaskets
• Ideal for aluminum head to aluminum block applications
• Withstands extreme shearing forces in high-output engine environments

Cometic Gasket has been a trusted name in powersports engine sealing since 1989, manufacturing gaskets in their state-of-the-art facility in Concord, Ohio. This gasket is designed for motorsports applications where reliability and performance are non-negotiable.