- Boyesen's hot RAD valves provide plenty of off-road torque
- Custom reed cage holds Boyesen's carbon fiber reeds
- Sustains flow velocity through the valve and redirects intake charge for balanced distribution to intake ports
- Quickens throttle response and ramps up horsepower throughout rpm range
- Solid one-piece aluminum casting; bolts in easily
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2002 | Yamaha | YZ125 | |