Description
Features
- High performance, hard anodized power valves (cannot use OEM)
- Forged OEM-style domed piston kit
- Aluminum cylinder with nickel-carbide coating, ported to Factory Works specs
- Athena top-end gasket set including required seals and hardware
| Position | Notes | |||
|---|---|---|---|---|
| 2014-2017 | Yamaha | YZ450F | - | - |
