- KTM 4-stroke kits include header gasket and replacement springs
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2021 | Gas Gas | EX450 F | |
| 2021 | Gas Gas | MC450 F | |
| 2014-2022 | Husqvarna | FC450 | |
| 2018-2019 | Husqvarna | FC450 Rockstar Edition | |
| 2014-2019 | Husqvarna | FE450 | |
| 2014-2019 | Husqvarna | FE501 | |
| 2016 | Husqvarna | FE501S | |
| 2018 | Husqvarna | FS450 | |
| 2017-2019 | Husqvarna | FX450 | |
| 2022 | Husqvarna | FX450 | |
| 2009-2010 | KTM | 400 XC-W | |
| 2019 | KTM | 450 EXC F Six Days | |
| 2008 | KTM | 450 EXC-R | |
| 2021 | KTM | 450 SMR | |
| 2013-2022 | KTM | 450 SXF | |
| 2016 | KTM | 450 SXF Factory Edition | |
| 2018 | KTM | 450 SXF Factory Edition | |
| 2020-2021 | KTM | 450 SXF Factory Edition | |
| 2013-2022 | KTM | 450 XC-F | |
| 2008-2016 | KTM | 450 XC-W | |
| 2012-2016 | KTM | 500 EXC | |
| 2017-2020 | KTM | 500 EXC F | |
| 2016 | KTM | 500 EXC Six Days | |
| 2012-2016 | KTM | 500 XC-W | |
| 2008 | KTM | 530 EXC-R | |
| 2009-2011 | KTM | 530 XC-W | |