S&S Cycle Stroke Flywheel Assembly 4-5/8" Stroke - 320-0471

Item # : 209252

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  • Manufacturer: S and S Cycle



S&S Cycle Stroke Flywheel Assembly 4-5/8" 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.
  • Rod with Straight wristpin end
  • Without Sproket bearing race

Manufacturer Part Number: 320-0471

Installation Instructions (1.23 MB)