Description
Features
- Stage 2 is designed for mid to top end gains
- Adds a 5%-10% power gain
- Designed and dyno proven in the USA
- Manufactured by utilizing state of the art valvetrain software
- CNC machined from 8620 billet, case-hardened steel for an exact fit and lobe profile
| Position | Notes | |||
|---|---|---|---|---|
| 2003-2009 | Yamaha | YZ450F | - | - |
