HONDA CRF 250R 2004 - 2007 CRF 250X 2004 - 2017 STEEL INTAKE VALVE CONVERSION KIT
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Delivery to United States 5–8 business days
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PROX steel intake valve conversion kit. Manufactured from premium grade steel to exact OEM specifications and tolerances by leading OEM factories in Japan. A direct and cost-efficient OEM replacement. The high-tech Ti3al alloy is forged in one piece for extra strength and offers superior material properties at high temperatures.
- SKU
- PROX.28-SIS1336-2
- Brand
- Prox
- Availability
- In Stock (3)
- SKU
- PROX.28-SIS1336-2
- Brand
- Prox
- Availability
- In Stock (3)
FULL DESCRIPTION
ProX Steel Intake Valve Conversion Kit
The ProX Steel Intake Valve Conversion Kit is engineered to provide a reliable and cost-effective alternative to standard OEM valve setups. Designed for riders seeking enhanced durability and consistent engine performance, this kit replaces lightweight titanium intake valves with high-grade steel components. This conversion is ideal for those looking to extend the service life of their valvetrain while maintaining precise engine tolerances.
Every component in this kit is manufactured in leading OEM factories in Japan, ensuring that each part meets strict quality standards and exact specifications. By switching to steel intake valves, users benefit from increased longevity, particularly in high-hour or demanding riding conditions where titanium components may reach their wear limits more quickly.
Key Features
- Premium Steel Construction: Manufactured from high-grade steel to ensure superior strength and resistance to high-temperature engine environments.
- OEM Standards: Produced in top-tier Japanese facilities to meet or exceed original equipment tolerances for a direct and reliable fit.
- Durability Upgrade: Designed to offer a longer service life compared to traditional titanium intake valves, making it a cost-efficient maintenance solution.
- Precision Engineering: Components are built to ensure optimal valvetrain geometry and consistent performance throughout the engine power band.
- Complete Conversion: Includes the necessary parts to successfully transition your intake valvetrain from titanium to a more robust steel configuration.
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.
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