Description
Features
- Kit includes complete top end gasket kit, full set of KPMI® standard valves, high performance titanium spring kit, complete set of valve guides, and Viton® valve stem seals
- Top end gasket kit includes base gaskets, engine case gaskets, exhaust gaskets, head gaskets and necessary o-rings and washers
- C630 valve guides are a blend of copper, nickel, and aluminum
- C674 valve guides are a softer Manganese that are easily reamed
- Black Diamond valves are a one pieced forged stainless steel valve that are impregranted by a special German process to improve wear properties and reduce friction
- White Diamond® valves are fully CNC machined from one-piece forging of either EV8 Stainless Steel or Inconel-751 material, and are hard chromed with a 360° anode to produce the highest possible grade of a hard chrome finish
| Position | Notes | |||
|---|---|---|---|---|
| 2014-2019 | Yamaha | YZ450F | - | - |
| 2016-2020 | Yamaha | YZ450FX | - | - |
| 2016-2021 | Yamaha | WR450F | - | - |
