COMETIC Primary Gasket C9318F1

If you're rebuilding a primary or running aggressive ignition timing, gasket failure isn't an option—it'll cost you a race day and thousands in engine damage. The COMETIC C9318F1 uses proprietary AFM material that handles extreme heat cycles without creeping, giving you the reliability of a factory-sealed engine with the performance margin you need. This is the gasket kit professional builders and serious enthusiasts choose when precision matters.

Technical Specifications:

• AFM aluminum core construction
• Chemically blown nitrile rubber
• Temperature rating: 2500°F+
• 85% shape recovery rate
• Superior torque retention
• Optimized for machined surfaces
• No gasket sealer required
• Complete inner/outer primary kit
• Includes seals and O-rings
• Manufactured in U.S.A.
• MPN: C9318F1