- Each Boyesen RAD Valve is unique - tailor made to that model, year and displacement.
- The intake charge is redirected for more even distribution to the intake ports
- Constant flow velocity is maintained for instant throttle response and more horsepower
- One piece design and Easy installation
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2013-2014 | Beta | RR 250 | |
| 2015-2024 | Beta | RR 250 2 Stroke | |
| 2017-2018 | Beta | RR 250 Race Edition | |
| 2013-2014 | Beta | RR 300 | |
| 2015-2024 | Beta | RR 300 2 Stroke | |
| 2017-2018 | Beta | RR 300 Race Edition | |
| 2014 | Beta | RR250 Race Edition 2 Stroke | |
| 2014 | Beta | RR300 Race Edition 2 Stroke | |
| 2020-2024 | Beta | RR-Race Edition 250 | |
| 2020-2024 | Beta | RR-Race Edition 300 | |
| 2016-2017 | Beta | Xtrainer 300 | |