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SKU: 320-0396
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. With sprocket bearing race
| Weight | 1 kg |
| SKU | 320-0396 |
| Name | 3-Piece Flywheel - 4in. Stroke |
| Description |
3-Piece Flywheel - 4in. StrokeSKU: 320-0396 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. With sprocket bearing race
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