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YAMAHA YZ450F 2003 - 2009 PRO-X STEEL INTAKE INLET VALVE & SPRING KIT YZF450
The Pro-X Steel Valve & Spring Kit are offered as an alternative to the OEM Titanium valves. Steel Valves last longer and require less adjustment than titanium valves.
Pro-X has now developed the Steel Spring Kits, containing a set of steel plus a set of specially designed stronger valve springs. The Pro-X kit just replaces the OEM valves & valve springs and can be installed using the OEM retainers, bases and valve seals.
Steel Valves for increased durability and less wear under extreme conditions
Features:
- Nitrided valves offer high microhardness while supersmooth surface finish reduces friction between stem and guide
- Special stronger valve springs deal with the extra weight of the steel valves
- Springs are made from premium Chrome Vanadium Steel for higher performance and durability at high RPMs
- Fully rebuild able with OEM retainers, bases and seals without the need of any further engine modifications
- Comes as complete package for quick, easy and cost efficient replacement
Fitment Details
- Yamaha YZ450F 2003
- Yamaha YZ450F 2004
- Yamaha YZ450F 2005
- Yamaha YZ450F 2006
- Yamaha YZ450F 2007
- Yamaha YZ450F 2008
- Yamaha YZ450F 2009
(28.SIS2424-2-0)
| SKU | 28.SIS2424-2-0 |
| Brand | Pro-X |
| Unit Of Measure | ea |
Intake valves
By: Christopher rundle on 24 December 2019Good product but was sent one wrong valve. And the replacement was not the same brand valve I originally purchased.
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