PISTON KIT 11-14 ZX10R KAW, WOSSNER K8832D300-4 FULL SET, KAWASAKI ROAD

This Wossner piston kit with a 79mm bore is an oversized (+3.00mm) replacement for Kawasaki ZX10R models from 2011 onward. Manufactured in Germany using forged construction, it is built for high-performance applications requiring superior durability and efficient thermal management. The elliptical design ensures uniform pressure distribution under expansion, minimising the risk of piston collapse.

Features

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  Forged construction for exceptional strength and durability

  
  


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  Optimised for effective heat transfer from combustion chamber to cylinder walls

  
  


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  Elliptical profile provides consistent bearing surface under heat expansion

  
  


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  Prevents localised pressure buildup and distributes thrust loads evenly

  
  


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  Manufactured in Germany

  
  

Specifications

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  Bore: 79mm (+3.00mm Oversize)

  
  


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  Actual bore: 78.94mm

  
  


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  Display volume: 998 cm³

  
  


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  Stroke: 55.00mm

  
  


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  Clearance: 0.06mm

  
  


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  Wossner compression ratio: 13.50:1

  
  


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  OEM compression ratio: 13.00:1

  
  


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  Dome volume: -3.00 cm³

  
  


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  Compression height: 22.70mm

  
  


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  Lock Part Number: CW17

  
  


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  Pin Part Number: WP038

  
  


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  Ring Set Part Number: 790XAS

  
  

Cross-Reference OEM Part Numbers

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  56-W9809.79.WO

  
  


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  K8832D300-4

  
  

Vehicle Fitments

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  Kawasaki ZX10R (2011–Current)