KIT IN VALVE+SPRING YZF250, PROX 28.SIS2414-2 INTAKE
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ProX Steel Intake Valve and Spring Kit. This kit contains steel intake valves and specially designed stronger valve springs. The steel valves offer an extended lifespan compared to OEM titanium valves. The ProX kit replaces OEM valves and springs and can be installed using OEM retainers, bases, and valve seats. Part number 28.SIS2414-2.
- SKU
- 65-K157.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
Fitments (15)
| Make | Model | Year |
|---|---|---|
| YAMAHA | WR 250F | 2015 |
| YAMAHA | WR 250F | 2016 |
| YAMAHA | WR 250F | 2017 |
| YAMAHA | WR 250F | 2018 |
| YAMAHA | WR 250F | 2019 |
| YAMAHA | YZ 250F | 2014 |
| YAMAHA | YZ 250F | 2015 |
| YAMAHA | YZ 250F | 2016 |
| YAMAHA | YZ 250F | 2017 |
| YAMAHA | YZ 250F | 2018 |
| YAMAHA | YZ 250FX | 2015 |
| YAMAHA | YZ 250FX | 2016 |
| YAMAHA | YZ 250FX | 2017 |
| YAMAHA | YZ 250FX | 2018 |
| YAMAHA | YZ 250FX | 2019 |
- General Product Group
- Cam & Valvetrain
- General Product Type
- Valve & Spring Kit
- Variant Id
- 264473
FULL DESCRIPTION
ProX Steel Intake Valve and Spring Kit
This ProX Steel Intake Valve and Spring Kit is designed to enhance the performance and longevity of your engine. ProX offers a comprehensive selection of titanium to steel conversion kits, providing a significant upgrade over standard OEM titanium valves.
The ProX steel valves are engineered for durability, offering up to three times the lifespan of original equipment manufacturer (OEM) titanium valves. Each kit includes a set of steel intake valves and specially designed, stronger valve springs. Heavier valve springs are necessary to accommodate the increased weight of the steel valves.
This kit allows for direct replacement of OEM valves and valve springs. You can utilize your existing OEM retainers, bases, and valve seats for a straightforward installation.
- Enhanced Durability: Steel construction provides up to 3x longer lifespan compared to OEM titanium valves.
- Complete Kit: Includes steel intake valves and stronger, specially designed valve springs.
- Direct Replacement: Designed to replace OEM valves and springs.
- OEM Compatibility: Can be installed using original OEM retainers, bases, and valve seats.
QUESTIONS? JUST ASK
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
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