This Wossner forged piston kit K8804DA-4 is a standard 75.00mm bore set designed for HONDA CBR954RR models from 2002 to 2004. Built to meet OEM compression standards, it combines precision engineering with superior material strength to support high-performance applications. Manufactured in Germany, this four-piston kit ensures effective thermal management and durability under demanding engine conditions.

Features

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  Forged construction for maximum strength and reliability

  
  


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  Engineered for optimal combustion chamber heat dissipation

  
  


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  Elliptical piston profile promotes even expansion and thrust load distribution

  
  


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  Reduces the risk of localised pressure and piston collapse

  
  


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  Made in Germany

  
  

Specifications

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  Bore: 75.00mm (STD)

  
  


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  Piston code: Wossner K8804DA-4

  
  


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  Clip part number: CW17

  
  


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  Piston pin: WP083

  
  


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  Displacement: 954 cm³

  
  


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  Stroke: 54.00 mm

  
  


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  Clearance: 0.06 mm

  
  


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  Wossner compression ratio: OEM

  
  


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  OEM compression ratio: 11.50:1

  
  


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  Dome volume: -3.10 cm³

  
  


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  Compression height: 23.50 mm

  
  


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  Theoretical weight: 186.00 g

  
  

Cross-Reference OEM Part Numbers

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  Part No. 56-W9883.00A.WO

  
  

Vehicle Fitments

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  HONDA CBR954RR 2002–2004