- Spring kit contains springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valves
- Spring kit comes complete for one motor
- Keepers are not included
- Made in the U.S.A.
- 0.440" Intake, 0.400" Exhaust Spring Lift
- 187 lb Intake, 149 lb Exhaust Spring Open Pressure.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2020-2022 | Yamaha | WR250F | |
| 2019-2022 | Yamaha | YZ250F | |
| 2021-2022 | Yamaha | YZ250F Monster Energy Yamaha Racing Edition | |
| 2020-2022 | Yamaha | YZ250FX | |