Description
A worn or damaged mainshaft bearing compromises your Big Twin’s reliability and can cascade into catastrophic engine failure. The Eastern Motorcycle Parts A-8905 is a direct OEM replacement engineered to restore factory specifications and ensure smooth power delivery through all five gears. Install with confidence knowing you’re running a bearing designed to handle the demands of high-performance 5-speed transmissions.
- Mainshaft bearing replacement
- 5-speed Big Twin compatible
- OEM-equivalent specifications
- Direct bolt-on fitment
- Precision-manufactured tolerance
- Stock performance restoration
