PISTON KIT Harley S1 LIGHTNING, WOSSNER K8625DA-2 89.00mm, Harley Davidson S1 White Light

This Wossner piston kit includes two forged pistons with a standard 89.00mm bore and a measured diameter of 88.95mm. Designed for Harley Davidson 1200–1228cc engines, including S1 White Lightning, Thunderbolt, and Buell models, this kit offers a high-strength, high-compression solution for performance applications.

Features

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  Forged construction for enhanced durability and strength

  
  


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  Optimized heat transfer from combustion chamber to cylinder walls

  
  


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  Elliptical design ensures uniform bearing surface during heat expansion

  
  


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  Even distribution of thrust loads prevents localised pressure and piston collapse

  
  


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  Manufactured in Germany

  
  


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  Supplied as a complete set of 2 pistons, rings, pins, and circlips

  
  

Specifications

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  Bore: 89.00mm

  
  


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  Diameter: 88.95mm

  
  


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  Compression Ratio: 10:1

  
  


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  Compression Height: 30.7mm

  
  

Cross-Reference OEM Part Numbers

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  Part No. 56-W9941.000.WO

  
  


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  Wossner Piston K8625DA-2

  
  

Vehicle Fitments

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  Harley Davidson S1 White Lightning 1200–1228cc

  
  


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  Harley Davidson Thunderbolt 1200–1228cc

  
  


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  Harley Davidson Buell 1200–1228cc