Description
Features
- Stage 1 is designed for low end torque
- 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 | |||
|---|---|---|---|---|
| 2014-2016 | Yamaha | YZ250F | - | - | 
 
         
                     
                     
                
             
                
             
                
             
                
            