Description
A failing base seal gasket compromises your Sportster’s combustion integrity and invites oil seepage that can damage your engine block and transmission housing. The COMETIC Base Seal Gasket C10127 is engineered to maintain a perfect seal under extreme pressure and temperature cycling, delivering the reliability your engine demands. Whether you’re rebuilding after high-mileage wear or assembling a fresh stroker, this gasket is essential to protecting your investment.
- Application: Harley Sportster models
- MPN: C10127
- Type: Cylinder base seal
- Material: High-performance elastomer
- Design: Pre-formed, precision engineered
- Installation: Bolt-on replacement
- Temperature rating: Extreme duty
- Function: Oil and compression sealing
- Fitment: Model-specific









