PISTON KIT HARLEY 3.521 SET/2, WOSSNER K8618DO50-2 DAVIDSON, ROAD

This Wossner piston kit is tailored for Harley Davidson 1200 Sportster Big Bore models (88 cu. in) produced between 2004 and 2007. Featuring a 3.521" oversized bore (+0.020") and high-compression domed pistons, the kit offers increased performance and durability through advanced forging and thermal management design.

Features

• 
  

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

  
  


• 
  

  Optimised for efficient heat transfer from combustion chamber to cylinder walls

  
  


• 
  

  Elliptical piston geometry ensures even load distribution during thermal expansion

  
  


• 
  

  Domed piston design with high compression ratio of 10.5:1

  
  


• 
  

  Manufactured in Germany

  
  


• 
  

  Includes rings, clips, and pins

  
  

Specifications

• 
  

  Bore size: 3.521" (+0.020" oversize)

  
  


• 
  

  Compression ratio: 10.5:1

  
  


• 
  

  Piston type: Forged, skirt-coated, domed

  
  


• 
  

  Quantity: 2 pistons per kit

  
  


• 
  

  Wossner Part Number: K8619D050-2

  
  


• 
  

  Alternate Part No: 56-W9955.050.WO

  
  

Vehicle Fitments

• 
  

  Harley Davidson 1200 Sportster Big Bore (88 cu. in), years 2004–2007