This Wossner forged piston kit features a 95.01mm bore (actual 94.96mm) and is designed for use in select Husaberg and KTM 450cc 4-stroke engines. It delivers precise combustion performance, enhanced structural strength, and efficient thermal transfer for reliable off-road usage.

Features

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  Forged aluminium construction for superior durability and thermal management

  
  


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  Elliptical shape reduces stress and improves surface contact during expansion

  
  


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  Engineered in Germany for high-performance applications

  
  

Specifications

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  Bore Size: 95.01mm (actual 94.96mm)

  
  


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  Stroke: 63.40 mm

  
  


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  Clearance: 0.05 mm

  
  


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  Wossner Compression Ratio: OEM

  
  


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  OEM Compression Ratio: 11.80:1

  
  


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  Dome Volume: -1.60 cm³

  
  


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  Compression Height: 22.80 mm

  
  


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  Lock Part Number: CW19

  
  


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  Pin Part Number: WP037

  
  


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  Ring Set Part Number: 950ADS-2

  
  

Vehicle Fitments

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  Husaberg FE450 2014

  
  


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  KTM EXC550 2012–2014