This Wossner forged piston kit features a 97.01mm bore size (96.96mm actual), offering a +0.01mm oversize option for Husqvarna 510 models. Designed for engines requiring high thermal and mechanical performance, the piston includes a two-ring configuration and an elliptical profile that distributes thrust loads evenly to prevent piston failure under stress. Made in Germany, it ensures efficient heat transfer and consistent engine performance.

Features

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  Forged construction with two-ring setup for strength and reliability

  
  


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  Elliptical design promotes uniform load distribution during expansion

  
  


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  Designed for optimal combustion heat transfer to cylinder walls

  
  


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  Manufactured in Germany

  
  

Specifications

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  Bore Size: 97.01mm (actual 96.96mm)

  
  


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  Displacement: 501 cm³

  
  


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  Stroke: 67.80 mm

  
  


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  Clearance: 0.05 mm

  
  


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  Compression Ratio (Wossner): 13.00:1

  
  


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  Compression Ratio (OEM): 12.90:1

  
  


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  Dome Volume: -9.20 cm³

  
  


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  Compression Height: 24.80 mm

  
  


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  Lock Part Number: CW20

  
  


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  Pin Part Number: WP029

  
  


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  Ring Set Part Number: 970XSY

  
  

Cross-Reference OEM Part Numbers

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  56-W152.WO.B

  
  

Vehicle Fitments

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  Husqvarna TC510 (2006–2009)

  
  


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  Husqvarna TE510 (2008–2010)

  
  


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  Husqvarna SMR510 (2008–2010)