S&S Cycle 3-Piece Flywheel 4-1/2in. Stroke - 320-0459

Item # : 209246

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List : $2,150.12


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  • Manufacturer: S and S Cycle



S&S Cycle 3-Piece Flywheel - 4 1/2in. Stroke

  • Vast improvement over stock flywheels which shift out of true under heavy load
  • Heat treated 4140 material is 114% stronger than stock, eliminates thrust washer
  • Larger 1.671in. crankpin, increased cross-sectional area for increased crank-pin clamping force.
  • No welding required
  • Integral mainshafts, truer flywheels and less vibration
  • Notes: Strokes longer than stock will require S&S piston oiler set #31-2026. 07-up stock rod length is 7.659in..
  • Stock pistons in 2007 and later engines require rods with tapered wristpin ends.
  • Without Sproket bearing race

Manufacturer Part Number: 320-0459