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

This exhaust valve is part of the KPMI® Black Diamond™ series, designed for Honda CRF250R and CRF250X models. Manufactured from high-strength stainless steel and treated with a German-engineered Black Diamond™ process, the valve offers enhanced wear resistance, reduced friction, and superior protection against corrosion. It is fully compatible with OEM spring kits but can also be used with KPMI’s Lightweight Racing Spring Kits for high-performance builds.

Features

• Black Diamond™ stainless steel construction

• Black Nitroneg coating for improved durability and reduced friction

• One-piece forged design for strength and reliability

• Engineered using Finite Element Analysis

• Compatible with OEM spring kits; recommended with KPMI racing spring kits for aggressive builds

Specifications

• Valve Type: Exhaust

• Material: Black Diamond™ Stainless

• Coating: Black Nitroneg

• Quantity: 1

• Head Diameter: 26.00 mm / 1.024"

• Stem Diameter: 5.0 mm / 0.1956"

• Tulip: 20º

• Overall Length: 3.235"

• Remarks: Standard

• Replaces OEM P/N: 14721-KRN-670

Cross-Reference OEM Part Numbers

• 14721-KRN-670

Vehicle Fitments

• Honda CRF250R (2004–2007)

• Honda CRF250X (2004–2017)