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Rolling Wrench

52mm replacement piston Kit

52mm replacement piston Kit

Regular price $34.99 USD
Regular price Sale price $34.99 USD
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 Piston Kit for the 50cc QMB139 4-stroke 52mm, Racing Big Bore Cylinder Set


  • Piston Outer Diameter: 52mm 
  • Total Piston Height: 34.8mm
  • Compression Height: 17.3mm
  • Wrist Pin Diameter: 13mm
  • Wrist Pin Length: 36mm
  • Includes piston, pin, rings and circlips
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