Description
Kibblewhite - 09262920 - Valve and Spring Kit - 0.450" - Yamaha YZ450FX | YZ450F '14-'19
Features
- Extends the life of the valvetrain and intake components by as much as 4x over the OEM titanium parts
- Includes forged one-piece stainless steel intake valves, wound chrome-silicon heat-treated wire valve springs, ultra-light titanium retainers and hardened steel bases
- Components are created using Finite Element Analysis (F.E.A.) software, as well as proprietary camshaft analysis and spring design software
- Specifically designed and engineered for each application
- Made in the USA
Specs
| Riding Style | Off-Road |
| Material | Black Diamond™ Stainless |
| Spring Lift | 0,450'' |
| Stem Diameter Metric | 5.50 mm |
| Units | Kit |
| Application | Intake |
| Spring Lift Imperial | 0.450'' |
| Spring Open Pressure | 155 lb |
| Tulip Angle Imperial | 20° |
| Length Imperial | 3.280'' |
| Product Name | Valve and Spring Kit |
| Stem Diameter Imperial | 0.2158'' |
| Head Diameter Metric | 37.00 mm |
| Spring Seat Pressure | 46 lb |
| Type | Conversion |
| Valve Seat Height Imperial | 1.185'' |
| Collar Material | Titanium |
| Head Diameter Imperial | 1.457'' |
Fitment
| 2016-2020 | Yamaha | YZ450FX |
| 2014-2019 | Yamaha | YZ450F |
