- Manufacturer: S and S Cycle
S&S Cycle 3-Piece Flywheel - 4in. 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.
- With sprocket bearing race
Manufacturer Part Number: 320-0402