Description
A failing breather gasket compromises crankcase ventilation and invites oil leakage around your cover—both problems that degrade engine performance and create messy maintenance headaches. The COMETIC C9579 delivers OEM-quality sealing with superior material durability, ensuring reliable crankcase pressure management and a clean engine bay. If you’re running Twin Cam models, this is the gasket you need to maintain proper PCV function and prevent costly oil migration.
- Fits Twin Cam engines
- Direct replacement gasket
- OEM-equivalent sealing
- MPN: C9579
- Bolt-on installation
- High-temp material composition
- Prevents oil seepage
- Restores crankcase ventilation









