Description
Features
- Replaces the OEM valves and valve springs
- Steel, nitrided valves for increased durability and less wear under extreme conditions
- Stronger valve springs deal with the extra weight of the steel valves
- Springs are made from premium chrome vanadium steel for higher performance and durability at high rpm
- Kit contains a set of steel intake or exhaust valves plus a set of specially designed valve springs; can be installed using the OEM retainers, bases and valve seals
| Position | Notes | |||
|---|---|---|---|---|
| 2014-2017 | Yamaha | YZ450F | - | - |
| 2016-2020 | Yamaha | YZ450FX | - | - |
| 2016-2018 | Yamaha | WR450F | - | - |