This Wossner piston kit includes two forged domed pistons with a standard 97.00mm bore and a measured diameter of 96.94mm. Designed for 1170cc Harley Davidson Buell XB9R Firebolt and XB9S Lightning models, this high-compression piston set is engineered for optimal power delivery and durability in performance applications.

Features

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  Forged piston construction ensures superior strength and longevity

  
  


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  Engineered for effective combustion chamber heat transfer to cylinder walls

  
  


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  Elliptical design promotes uniform bearing surface under heat expansion

  
  


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  Even distribution of thrust loads helps prevent piston collapse

  
  


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  Manufactured in Germany

  
  


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  Domed design for high-compression applications

  
  

Specifications

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  Bore: 97.00mm

  
  


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  Diameter: 96.94mm

  
  


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  Compression Ratio: 12.3:1

  
  


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  Kit Includes: 2 pistons, rings, pins, and circlips

  
  

Cross-Reference OEM Part Numbers

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  Part No. 56-W9940.000.WO

  
  


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  Wossner Piston K8624DA-2

  
  

Vehicle Fitments

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  Harley Davidson Buell XB9R Firebolt 1170cc

  
  


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  Harley Davidson Buell XB9S Lightning 1170cc