ProX Steel Exhaust Valve/Spring Kit YZ/WR450F 03-09
ProX Steel Exhaust Valve/Spring Kit YZ/WR450F 03-09
Part no. 28.SES2424-1
The ProX Steel Exhaust Valve/Spring Kit YZ/WR450F 03-09 from ProX is listed to fit 5 models from Yamaha and GasGas, including Yamaha WR 450 F (WR450F) 2003-2015, Yamaha YFZ 450 (YFZ450) 2004-2009 and Yamaha YFZ 450 R (YFZ450R) 2009-2021. It is part of our engine valve range.
- Part number: 28.SES2424-1
- Fits Yamaha: WR 450 F (WR450F) 2003-2015, YFZ 450 (YFZ450) 2004-2009, YFZ 450 R (YFZ450R) 2009-2021, YZ 450 F (YZ450F) 2003-2009
- Fits GasGas: EC 450 (EC450) 2013-2015
- Category: Engine Parts › Engine Top End › Engine Valve
Specifications
| Brand | ProX |
|---|---|
| Manufacturer Item No. | 28.SES2424-1 |
Fits these bikes
This ProX part is listed as fitting 5 models. Check your model and year below.
| Make | Model | Years |
|---|---|---|
| GasGas | EC 450 (EC450) | 2013-2015 |
| Yamaha | WR 450 F (WR450F) | 2003-2015 |
| Yamaha | YFZ 450 (YFZ450) | 2004-2009 |
| Yamaha | YFZ 450 R (YFZ450R) | 2009-2021 |
| Yamaha | YZ 450 F (YZ450F) | 2003-2009 |
Product details
Alongside its titanium valves, ProX produces a full range of quality steel valves. They are made from premium-grade steel to exact OEM specifications and tolerances, so you can count on reliable performance and long service life.
These steel valves come from leading OEM factories in Japan and give you a direct, cost-efficient alternative to the original valves. They work with all OEM valve train parts, including valve springs, guides, bases and retainers, and the range covers both dirt bikes and ATVs.
Key features
- Made by leading OEM factories in Japan
- Built to exact OEM specifications and tolerances
- A cost-efficient, direct replacement for OEM valves
- Full range for dirt bikes and ATVs
Questions about this part
Will the ProX Steel Exhaust Valve/Spring Kit YZ/WR450F 03-09 fit my bike?
It is listed for 5 models, including GasGas EC 450 (2013-2015), Yamaha WR 450 F (2003-2015), Yamaha YFZ 450 (2004-2009), Yamaha YFZ 450 R (2009-2021). The full list is in the "Fits these bikes" table on this page, and the fit check next to the price tells you straight away for your saved bike.
What is the part number?
The manufacturer part number is 28.SES2424-1. Our stock code is 120798.
How much is delivery?
Order before 3pm for same day dispatch. UK Next Day delivery is £7.99, and free on orders of £100 or more. Pre 12:00 (£9.99) and Pre 10:00 (£14.99) upgrades are charged at any order value.
Can I return it?
Yes. You can return it within 30 days of delivery for a refund. You pay the return postage unless the item is faulty, damaged or wrong, in which case we cover it. See our Returns page for how. Returns