VALVE EXHAUST CRF250R 10-15, KIBBLEWHITE 30-31466, 14721-KRN-A40, A60, HONDA MX
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Kibblewhite Precision Black Diamond Exhaust Valve 30-31466. Black Nitroneg Stems. Head Diameter 25.00mm / 0.984 inches. Stem Diameter 4.50mm / 0.1760 inches. Tulip 20 degrees. Overall Length 84.07mm / 3.310 inches. KPMI Black Diamond Stainless Steel Valves are impregnated by a special German process to 0.002 deep with a 0.0002 surface build-up to improve wear properties and reduce friction. This process provides resistance to corrosion and wear that is superior to that developed by hard chromium and electrolysis nickel plating. These valves are light and the profiles provide excellent flow characteristics.
- SKU
- 65-460.KW.SS
- Brand
- Kibblewhite
- Availability
- In Stock (6)
Fitments (6)
| Make | Model | Year |
|---|---|---|
| HONDA | CRF 250R | 2010 |
| HONDA | CRF 250R | 2011 |
| HONDA | CRF 250R | 2012 |
| HONDA | CRF 250R | 2013 |
| HONDA | CRF 250R | 2014 |
| HONDA | CRF 250R | 2015 |
- General Product Group
- Cam & Valvetrain
- General Product Type
- Valve - Exhaust
- Variant Id
- 263922
FULL DESCRIPTION
Kibblewhite Precision Black Diamond Exhaust Valve for Honda CRF250R
Upgrade your Honda CRF250R with the Kibblewhite Precision Black Diamond Exhaust Valve. This high-performance valve is engineered for superior durability and optimal engine performance.
Key Features:
- Black Diamond Technology: Features Black Nitroneg stems for enhanced strength and heat resistance.
- Precision Dimensions:
- Head Diameter: 25.00mm / 0.984 inches
- Stem Diameter: 4.50mm / 0.1760 inches
- Overall Length (OL): 84.07mm / 3.310 inches
- Tulip Angle: 20 degrees
- Advanced Impregnation Process: Impregnated using a special German process to a depth of.002 inches with a.0002 surface build-up. This process significantly improves wear properties, reduces friction, and offers superior resistance to corrosion and wear compared to traditional plating methods.
- Lightweight Design: Engineered to be lightweight, contributing to better throttle response and overall engine efficiency.
- Optimized Flow Characteristics: The valve profile is designed to provide excellent airflow for maximum power output.
Important Note: When installing Kibblewhite Black Diamond Valves, it is mandatory to use KPMI Lightweight Valve Spring Kits. Please use part number 65-714 for the compatible spring kit.
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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.
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
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