Exhaust Valve
Black Diamond™ Engine Valve
Black Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel
Black Diamond™ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wear
Made in the U.S.A.
Must use Kibblewhite® Lightweight Valve Spring Kits when installing Black Diamond™ Valves.
Fitment:
Vehicle Type |
Model |
Years |
Offroad |
Yamaha WR250F |
2020-2023 |
Offroad |
Yamaha YZ250F |
2019-2023 |
Offroad |
Yamaha YZ250F Monster Energy Yamaha Racing Edition |
2021-2023 |
Offroad |
Yamaha YZ250FX |
2020-2023 |