The Wossner K8767DA-4 piston kit is a +2.00mm oversize forged piston set designed for the Kawasaki ZX10R Turbo models from 2008 to 2010. With a 78.00mm bore and a reduced compression ratio of 10.0:1, this kit is optimised for turbocharged performance, ensuring durability and efficient combustion under high boost. Manufactured in Germany, the kit includes four pistons and all required installation components.

Features

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  Forged high-performance pistons with skirt coating

  
  


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  Elliptical design provides even thermal expansion and load distribution

  
  


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  Optimised heat transfer from combustion chamber to cylinder walls

  
  


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  Lower compression ratio ideal for turbocharged setups

  
  


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  Includes piston pins, clips, and rings

  
  

Specifications

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  Bore size: 78.00mm (+2.00mm oversize)

  
  


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  Measured bore: 77.94mm

  
  


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  Display displacement: 998 / 1051 cm³

  
  


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  Stroke: 55.00mm

  
  


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  Clearance: 0.06mm

  
  


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  Compression ratio: 10.0:1

  
  


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  OEM compression ratio: 12.7:1

  
  


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  Dome volume: –9.30 cm³

  
  


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  Compression height: 22.70mm

  
  


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  Quantity: 4 pistons per kit

  
  


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  Made in Germany

  
  

Cross-Reference OEM Part Numbers

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  Part No. 56-W9872.000.WO

  
  


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  Clip: CW17

  
  


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  Piston Pin: WP090

  
  


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  Ring Set: 780XAS

  
  

Vehicle Fitments

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  Kawasaki ZX10R Turbo 2008–2010