Crank Shaft

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Adracing Performance forged 4340 Steel Stroke Crank shaft Crankshaft For GM LS1 4.000″ Stroker

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Product Details

  • Full CNC Machining
  • Multi-step heat treatment process
  • Knife-edged counterweights
  • Gun drilled crank pin and counterweights to reduce weight and rotating mass
  • Micro-polishing for longer bearing life
  • Heating treatment:HRC34-38
  • Peening treatment will be done after balance weight
  • magnetic flaw detecting will be done according to standard JB/76729-93

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