Cometic C8560 Head Gasket Bore Thickness - 91mm 0.017 Pair

The Cometic C8560 is a high-performance single-layer stainless steel head gasket designed for Ducati 851 motorcycles. This precision-engineered gasket features a 91mm bore diameter and 0.017-inch compressed thickness, providing a reliable seal for demanding powersports applications.

Key Features:

• Single-layer stainless steel construction for durability and corrosion resistance
• 91mm bore diameter for precise fitment
• 0.017-inch (0.43mm) compressed thickness
• Advanced coating technology for superior sealing performance
• Sold as a pair for complete installation
• No sealants required when properly installed on prepared surfaces

Cometic gaskets are engineered with proven racing technology and manufactured to exacting standards. The stainless steel construction provides excellent strength and rebound characteristics, while the specialized surface treatment ensures optimal sealing against combustion gases and fluids. These gaskets require a smooth surface finish of 50 RA or finer for proper sealing performance.