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 | |||
|---|---|---|---|---|
| 2003-2015 | Yamaha | WR450F | - | - |
| 2004-2009 | Yamaha | YFZ450 | - | - |
| 2006 | Yamaha | YFZ 450 SE 4x2 | - | - |
| 2004-2005 | Yamaha | YFZ 450 LE 4x2 | - | - |
| 2006-2007 | Yamaha | YFZ450 Bill Balance Edition | - | - |
| 2007-2008 | Yamaha | YFZ450 SE | - | - |
