VALVE EXHAUST CRF250 04-07, KIBBLEWHITE 30-30633, CRF250X 04-09

Kibblewhite Black Diamond Exhaust Valve for Honda CRF250R/X

Upgrade your Honda CRF250R or CRF250X engine with this high-performance Black Diamond exhaust valve from Kibblewhite. Engineered for durability and optimal performance, this valve is designed to withstand the rigors of demanding riding conditions.

The Black Diamond series utilizes a proprietary German-engineered treatment process on high-strength stainless steel. This treatment significantly enhances wear resistance, reduces friction between the valve and guide, and provides superior protection against corrosion. This ensures a longer lifespan and consistent performance for your engine.

This exhaust valve features a one-piece forged design, providing exceptional strength and reliability. It has been meticulously engineered using Finite Element Analysis (FEA) to optimize its structure and performance characteristics.

For added versatility, this valve is fully compatible with OEM spring kits. For those seeking maximum performance gains in high-performance builds, it is also recommended for use with Kibblewhite's Lightweight Racing Spring Kits.

Key Features:

• Material: Constructed from high-strength Black Diamond™ stainless steel for superior durability.
• Coating: Features a Black Nitroneg coating to improve durability and reduce friction.
• Design: One-piece forged construction ensures strength and reliability.
• Engineering: Developed using Finite Element Analysis for optimized performance.
• Compatibility: Works with OEM spring kits and is recommended with KPMI racing spring kits for aggressive builds.
• Valve Type: Exhaust
• Head Diameter: 26.00 mm / 1.024"
• Stem Diameter: 5.0 mm / 0.1956"
• Tulip: 20º
• Overall Length: 3.235"
• Remarks: Standard
• Replaces OEM Part Number: 14721-KRN-670