This Wossner forged piston kit is engineered for the 2017 Honda CRF450R, featuring a high-compression 14:1 design with a 96.01mm bore and 95.96mm piston size (+0.01 oversize). Designed for performance and durability, it ensures efficient heat transfer and load distribution in high-stress environments. The kit includes all necessary installation components and is precision-made in Germany.

Features

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  High-compression design (14:1) for performance enhancement

  
  


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  Forged piston construction for superior strength and resilience

  
  


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  Elliptical design ensures uniform bearing surface under heat expansion

  
  


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  Efficient heat transfer from combustion chamber to cylinder walls

  
  


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  Includes piston, rings, pin, and circlips

  
  


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  Must be used with NGK spark plug R0465B-10

  
  

Specifications

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  Bore size: 96.01mm (+0.01 oversize)

  
  


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  Piston size: 95.96mm

  
  


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  Compression ratio: 14:1

  
  


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  Part number: 8937DB

  
  


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  Wossner kit part number: 56-W9949.B.WO.H

  
  

Cross-Reference OEM Part Numbers

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  RIK96.00E

  
  


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  WP028

  
  


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  CW19

  
  


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  13101-MKE-A00

  
  


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  13011-MKE-A00

  
  


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  13111-MKE-A01

  
  


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  13112-MKE-A00

  
  

Vehicle Fitments

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  Honda CRF450R (2017)