This Wossner piston kit is designed for Harley Davidson 883 EVO Sportster models and 1200cc overbore applications. Featuring a 3.522" oversized bore (+0.010"), it offers improved performance with superior heat transfer and structural reliability due to its forged construction and elliptical design.

Features

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  Forged high-performance pistons (2 pcs), skirt-coated for reduced friction

  
  


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  Optimised combustion heat transfer for thermal efficiency

  
  


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  Elliptical design promotes even pressure distribution during heat expansion

  
  


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  Reverse dome shape with 9:1 compression ratio

  
  


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  Manufactured in Germany

  
  


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  Includes rings, clips, and pins

  
  

Specifications

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  Bore size: 3.522" (+0.010" oversize)

  
  


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  Compression ratio: 9:1

  
  


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  Piston type: Forged, skirt-coated

  
  


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  Quantity: 2 pistons per kit

  
  


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  Wossner Part Number: K8536D050-2

  
  


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  Alternate Part No: 56-W9953.050.WO

  
  

Cross-Reference OEM Part Numbers

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  Ring Set: 895XSY

  
  

Vehicle Fitments

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  Harley Davidson 883 EVO Sportster and Overbore 1200cc (73 cu. in), years 1986–2011