This piston kit is engineered by Wossner for Harley Davidson 883 EVO Sportster and 1200cc overbore conversions. Designed with precision forging and reverse dome architecture, it ensures superior heat transfer, consistent bearing pressure, and long-term durability.

Features

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  Forged high-performance pistons (2 pcs), skirt-coated for wear resistance

  
  


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  Engineered for optimal combustion chamber heat dissipation

  
  


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  Elliptical design ensures even pressure distribution under heat expansion

  
  


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  Reverse dome configuration 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: 3.502"

  
  


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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: K8536DA-2

  
  


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  Supplied as complete kit with rings, clips, and pins

  
  

Cross-Reference OEM Part Numbers

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  Ring Set: 890XSY

  
  


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  Alternate Part No: 56-W9953.000.WO

  
  

Vehicle Fitments

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