VALVE EXHAUST CRF450X 05-17, KIBBLEWHITE 30-31066

This standard exhaust valve is designed for the Honda CRF450X models from 2005 to 2017. Made from Black Diamond™ stainless steel and treated with a specialised nitriding process, this valve offers exceptional wear resistance, corrosion protection, and reduced friction. Engineered using advanced design tools and tested on flow benches, it ensures optimal performance in off-road environments.

Features

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  One-piece forged Black Diamond™ stainless steel construction

  
  


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  Nitrided surface for increased wear resistance and reduced friction

  
  


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  Designed using Finite Element Analysis for optimised flow characteristics

  
  


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  Compatible with Kibblewhite® Lightweight Valve Spring Kits

  
  

Specifications

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  Valve Type: Exhaust

  
  


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  Material: Black Diamond™ Stainless

  
  


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  Coating: Black Nitroneg

  
  


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  Quantity: Pkg. of 1

  
  


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  Head Diameter: 30.00 mm / 1.181"

  
  


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  Stem Diameter: 5.00 mm / 0.1957"

  
  


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  Tulip: 20º

  
  


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  Overall Length: 84.07 mm / 3.310"

  
  


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  Remarks: Standard

  
  

Cross-Reference OEM Part Numbers

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  Kibblewhite 30-31066

  
  

Vehicle Fitments

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  Honda CRF450X 2005–2017