VALVE INTAKE CRF450 02-08, KIBBLEWHITE BLACK 30-30220, 14711-MEB-670 TRX450

This standard intake valve from Kibblewhite’s Black Diamond™ series is designed for Honda CRF450R and TRX450R/ER models. Manufactured from high-strength stainless steel and treated with a proprietary Black Nitroneg coating, the valve offers superior wear resistance, reduced friction, and excellent corrosion protection. It features a 36 mm head diameter and 5.5 mm stem, and is engineered for optimal airflow and durability. Use of KPMI lightweight valve spring kits is required for installation.

Features

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  Black Diamond™ stainless steel construction

  
  


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  Black Nitroneg-coated stem for friction reduction and durability

  
  


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  One-piece forged design for strength

  
  


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  Optimised with Finite Element Analysis and flow bench testing

  
  


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  Must be used with KPMI lightweight valve spring kits (Part No. 65-707)

  
  

Specifications

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  Valve Type: Intake

  
  


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  Head Diameter: 36.00 mm / 1.417"

  
  


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  Stem Diameter: 5.50 mm / 0.2158"

  
  


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  Tulip: 20º

  
  


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  Overall Length: 84.26 mm / 3.315"

  
  


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  Remarks: Standard

  
  


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  Part No.: 65-407_KW.SS

  
  

Cross-Reference OEM Part Numbers

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  Kibblewhite 30-30220

  
  


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  XU-09502I

  
  


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  Vertex 8400002-2

  
  


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  Wiseco VIT002

  
  


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  OEM 14711-MEB-670

  
  

Vehicle Fitments

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  Honda CRF450R (2002–2008)

  
  


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  Honda TRX450R / TRX450ER (2006–2013)