VALVE EXHAUST KX450F 06-08, KIBBLEWHITE 40-40316

This standard exhaust valve is a direct replacement for Kawasaki KX450F models from 2006 to 2008. Made from Black Diamond™ stainless steel, it features a nitrided surface for enhanced wear resistance and reduced friction. Engineered with precision using Finite Element Analysis and flow bench testing, this one-piece forged valve provides superior durability and performance under demanding conditions.

Features

• 
  

  One-piece forged Black Diamond™ stainless steel construction

  
  


• 
  

  Black Nitroneg coating for improved durability and reduced friction

  
  


• 
  

  Designed with Finite Element Analysis and tested on flow benches

  
  


• 
  

  Requires Kibblewhite® Lightweight Valve Spring Kits for optimal performance

  
  

Specifications

• 
  

  Valve Type: Exhaust

  
  


• 
  

  Material: Black Diamond™ Stainless

  
  


• 
  

  Coating: Black Nitroneg

  
  


• 
  

  Quantity: 1

  
  


• 
  

  Head Diameter: 31.00 mm / 1.220"

  
  


• 
  

  Stem Diameter: 5.5 mm / 0.2150"

  
  


• 
  

  Tulip: 20º

  
  


• 
  

  Overall Length: 3.230"

  
  


• 
  

  Remarks: Standard

  
  

Cross-Reference OEM Part Numbers

• 
  

  Kibblewhite 40-40316

  
  

Vehicle Fitments

• 
  

  Kawasaki KX450F (2006–2008)