Intake Stainless Conversion Valve and Spring Kit
$303.29
Unit price /
Unavailable
Features
- Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves
- 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
| Product Name | Valve and Spring Kit |
| Type | Conversion |
| Application | Intake |
| Collar Material | Titanium |
| Material | White Diamond® Stainless |
| Head Diameter | 27.00 mm / 1.063" |
| Stem Diameter | 4.50 mm / 0.1765" |
| Valve Seat Height | 1.105" |
| Tulip Angle | 15° |
| Length | 3.000" / 3.040" |
| Spring Seat Pressure | 39 lb |
| Spring Open Pressure | 86 lb |
| Spring Lift | 0.380" / 0,380" |
| Units | Kit |
| Riding Style | Off-Road / ATV |
Package info
| Weight | 0.5 lbs |
| Height | 2.27 |
| Length | 8.8 |
| Width | 5.4 |
Fitments
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Position | Notes |
|---|---|---|---|---|
| 2010-2011 | Yamaha | YFZ450X | - | - |
| 2009-2020 , 2023-2025 | Yamaha | YFZ450R | - | - |
| 2009 , 2012-2020 | Yamaha | YFZ 450 X 4x2 | - | - |
| 2004-2009 | Yamaha | YFZ450 | - | - |
| 2003-2016 | Yamaha | WR450F | - | - |
| 2003-2009 | Yamaha | YZ450F | - | - |
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