This Wossner forged piston kit with a 92mm bore (actual 91.94mm) is designed for all years of Ducati 900SS and 900 Monster models. Supplied as a set of two pistons, this kit features a significant increase in compression ratio over OEM specifications, enhancing engine performance. The pistons are manufactured in Germany and utilise an advanced elliptical design for improved strength, heat dissipation, and load distribution.

Features

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  Forged piston construction for increased durability and thermal efficiency

  
  


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  Elliptical design promotes even bearing surface under heat expansion

  
  


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  Enhanced compression for improved performance

  
  


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  Made in Germany

  
  

Specifications

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  Bore Size: 92mm (actual 91.94mm)

  
  


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  Stroke: 68.00 mm

  
  


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  Clearance: 0.06 mm

  
  


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  Display Displacement: 904 cm³

  
  


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  Wossner Compression Ratio: 13.50:1

  
  


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  OEM Compression Ratio: 9.20:1

  
  


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  Dome Volume: +13.30 cm³

  
  


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  Compression Height: 28.60 mm

  
  

Vehicle Fitments

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  Ducati 900SS (all years)

  
  


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  Ducati 900 Monster (all years)