Crankshaft, 1-Piece Seal, Internal Balance, Forged 4130 Steel, 4.173 in. Stroke, Ford, 5.4L, Each 

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Ford Racing Steel 5.4L Lightning Crankshaft M-6303-M54

 

  • Balance Style
  • Neutral
  • Balancer Bolt Thread Size
  • M12-1.5mm
  • Crankshaft Material
  • Forged 4130 steel
  • Crankshaft Snout Style
  • Standard
  • Cross-Drilled Mains
  • No
  • Engine Balance
  • Internal
  • Engine Stroke (in)
  • 4.173 in.
  • Lightened
  • No
  • Main Bearings Included
  • No
  • Main Journal Diameter (in)
  • 2.658 in.
  • Notes
  • For 8-bolt flywheel.
  • Quantity
  • Sold individually.
  • Rear Main Seal Style
  • 1-piece
  • Requires Narrow Bearings
  • No
  • Rod Bearings Included
  • No
  • Rod Journal Diameter (in)
  • 2.087 in.
  • Weight
  • 52.000 lbs.




    Summit Racing Part Number: FMS-M-6303-M54

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