KTM SXF 250 2008 - 2012 EXC-F 250 2008 - 2013 STEEL INTAKE VALVE CONVERSION KIT
4.4 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
Steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The steel valves are made by leading OEM factories in Japan and are a direct and cost-efficient OEM replacement. ProX offers a wide range of steel and titanium engine valves as well as titanium into steel conversion kits.
- SKU
- PROX.28-SIS6329-2
- Brand
- Prox
- Availability
- In Stock (3)
- SKU
- PROX.28-SIS6329-2
- Brand
- Prox
- Availability
- In Stock (3)
FULL DESCRIPTION
ProX Steel Intake Valve Conversion Kit
Upgrade your engine reliability with the ProX Steel Intake Valve Conversion Kit. Designed as a direct and cost-efficient alternative to original equipment, this kit provides a robust solution for riders looking to enhance durability without compromising performance. By switching to high-quality steel components, you benefit from increased service life and resistance to the high-stress conditions found within high-performance engines.
Each component is manufactured in leading Japanese OEM factories to meet exact specifications and tight tolerances. This ensures a precise fit and seamless integration with your engine’s existing valve train system, providing the strength required for demanding off-road environments.
Key Features
- Premium Materials: Constructed from high-grade steel to deliver superior strength and extended wear resistance compared to standard components.
- Precision Engineering: Manufactured to exact OEM specifications, ensuring reliable operation and consistent performance.
- Direct Replacement: Designed as a straightforward conversion kit, making it an ideal choice for engine rebuilds and maintenance.
- Quality Assurance: Produced by top-tier Japanese OEM manufacturers, meeting high-quality standards for material integrity and dimensional accuracy.
- Enhanced Durability: Engineered to withstand the extreme thermal and mechanical pressures inherent in high-performance motorcycle engines.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. 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.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.