KIT EX VALVE+SPRING YZF450, PROX 28.SES2440-1 EXHAUST
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Delivery to United States 5–8 business days
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Prox Steel Exhaust Valve/Spring Kit. This kit contains steel exhaust valves and specially designed stronger valve springs. Steel valves offer up to 3 times the lifespan of OEM titanium valves. The ProX kit replaces OEM valves and valve springs and can be installed using OEM retainers, bases, and valve seats. PROX 28.SES2440-1.
- SKU
- 65-K103.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (2)
Fitments (4)
| Make | Model | Year |
|---|---|---|
| YAMAHA | YZ 450F | 2010 |
| YAMAHA | YZ 450F | 2011 |
| YAMAHA | YZ 450F | 2012 |
| YAMAHA | YZ 450F | 2013 |
- General Product Group
- Cam & Valvetrain
- General Product Type
- Valve & Spring Kit
- Variant Id
- 264450
FULL DESCRIPTION
Pro-X Steel Exhaust Valve and Spring Kit
Upgrade your motorcycle's exhaust system with this high-quality Steel Exhaust Valve and Spring Kit from Pro-X. Designed as a direct replacement for OEM titanium valves, this kit offers a significantly extended lifespan, lasting up to three times longer than original equipment.
Each Pro-X kit includes a durable steel exhaust valve and specially engineered, stronger valve springs. The increased weight of the steel valve necessitates the use of a heavier spring to ensure optimal performance and reliability.
This kit is designed for easy installation, utilizing your motorcycle's original retainers, bases, and valve seats. Experience enhanced durability and longevity for your engine with this premium Pro-X replacement kit.
- Durable steel exhaust valve for extended lifespan.
- Includes stronger valve springs designed to work with steel valves.
- Replaces OEM titanium valves and springs.
- Utilizes original retainers, bases, and valve seats for straightforward installation.
- Manufactured by Pro-X Racing, known for high-performance motorcycle parts.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
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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