Hot Rods Stroker Crankshaft Assembly - 4173

Item # : 230489

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List : $589.95


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  • Manufacturer: Hot Rods



Hot Rods Stroker Crankshaft Assembly

  • Heavy Duty (04-05) (+4.4mm stroke) makes 470cc. Uses stock piston. Heavy Duty (06-08) (+3mm stroke) makes 471cc. Uses stock piston. When using Cylinder Works #21001-K01 makes 500cc. *Does not fit fuel injected R or X models.
  • All new assembly sold complete with Hot Rods connecting rod
  • Factory assembled and trued to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance
  • Ready for installation
  • Crankshaft is completely rebuildable with genuine Hot Rods connecting rods
  • Stroker crankshaft assembly add 1.5mm to 5mm of stroke depending on application; in some cases cylinder head must be modified or special pistons used (as noted)
  • Main bearings not included
  • When using Cylinder Works #21001-K01 makes 500cc.

  • 2004 - 2013 Yamaha YFZ 450

Manufacturer Part Number: 4173