S&S Cycle Stroke Flywheel Assembly 4" Stroke - 320-0403

Item # : 208989

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  • Manufacturer: S and S Cycle



S&S Cycle Stroke Flywheel Assembly 4" Stroke


  • Flywheel assemblies are designed for use with Timken-style sprocket shaft bearings
  • S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671in. crankpin
  • Fit directly in stock crankcases with no modifications
  • For 88in., 95in., and 100in. displacement in Twin Cam A and B motors with 4in. stroke
  • 4in. stroke flywheels can also be used in 03-06 motors when the left side main bearing is converted to a Timken-style bearing
  • Made in the U.S.A.

Manufacturer Part Number: 320-0403

Installation Instructions (1.23 MB)