YAMAHA YZF 450 2003 - 2009 WRF 450 2003 - 2015 STEEL EXHAUST VALVE CONVERSION KIT
4.4 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
Steel exhaust valve conversion kit manufactured of premium grade steel to exact OEM specifications and tolerances. Made by leading OEM factories in Japan, this is a direct and cost-efficient OEM replacement. Features a high tech Ti3al alloy forged in one-piece for extra strength, offering superior material properties at high temperatures.
- SKU
- PROX.28-SES2424-1
- Brand
- Prox
- Availability
- In Stock (4)
- SKU
- PROX.28-SES2424-1
- Brand
- Prox
- Availability
- In Stock (4)
FULL DESCRIPTION
ProX Steel Exhaust Valve Conversion Kit
Upgrade your engine reliability with the ProX Steel Exhaust Valve Conversion Kit. Designed as a direct and cost-efficient replacement for your original components, this kit provides a robust alternative to standard titanium setups. By switching to high-quality steel, riders often experience increased longevity and reduced maintenance intervals during high-performance operation.
Each valve is manufactured in leading Japanese OEM factories, ensuring that every piece meets or exceeds strict original equipment specifications and tolerances. Engineered for durability, these valves are built to withstand the intense thermal stresses and mechanical pressures associated with high-output engine performance.
Key Features
- Premium Materials: Manufactured from high-grade steel for superior strength and long-term durability.
- OEM Standards: Produced in top-tier Japanese factories to ensure precise fitment and exact performance tolerances.
- Cost-Efficient Upgrade: Offers a reliable, high-value alternative to standard factory titanium valves without compromising on quality.
- Engineered for Reliability: Designed to maintain consistent performance under demanding engine conditions.
- Direct Replacement: Engineered to integrate seamlessly into your cylinder head for straightforward installation.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Call or email us with your make, model and year 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
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
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.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.