KIBBLEWHITE - 10-SC290 - Powdered Metal Valve Seat - '03-'19 Honda and Yamaha CRF250R, CRF250X, YFZ450R
10-SC290 is Kibblewhite's powdered-metal valve seat for '03-'19 Honda and Yamaha applications running steel valves, blending alloys into a high-density, iron-based seat with uniform hardness and strong thermal properties that resist wear and recession from microwelding. It's been proven on the track and street across leaded, unleaded, and oxygenated fuels as well as methanol, ethanol, nitrous, and forced induction. Verify size before ordering. Made in the USA.
Features
- Premium valve seats for applications using steel valves
- A specific combination of alloys allowed a creation of a high density, iron-based valve seat with uniform hardness, exceptional thermal qualities and high resistance to wear and recession caused by microwelding
- Only by using the latest developments in Powdered Metal Technology were we able to blend these alloys to give a seat material with the qualities required for today's engines
- These seats have been tested on the track and street in high-rpm applications with leaded, unleaded, and oxygenated fuel, as well as methanol, ethanol, nitrous, and forced induction applications
- Made in the USA
- Verify size before ordering.
Specs
- Product Name: Valve Seat
- Application: Intake
- Head Diameter: 29.00 mm
- Outside Diameter: 29.00 mm
- Riding Style: ATV
- Riding Style: Off-Road
- Valve Seat Height: 9.50 mm
- Model: Powdered Metal
- Inside Diameter: 21.00 mm
- Units: Each
- Application: Exhaust
- Material: Iron Alloy
Frequently Asked Questions - KIBBLEWHITE - 10-SC290 - Powdered Metal Valve Seat - '03-'19 Honda and Yamaha CRF250R, CRF250X, YFZ450R
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
