Description
A cylinder base gasket is your first line of defense against compression loss and oil seepage—two issues that degrade engine performance and reliability. The Cometic Copper Base Gasket C9029 delivers superior sealing on Big Twin applications through precision engineering and proven gasket technology. If you’re rebuilding an engine or replacing a worn gasket, this part ensures consistent compression and eliminates the frustration of repeat failures.
- Big Twin Harley applications
- Copper core construction
- CNC-precision machined surfaces
- Superior heat resistance
- Reliable compression sealing
- OEM-equivalent performance
- Bolt-on installation
- Cometic engineered gasket






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