S&S 3-Piece Flywheels for Twin Cams

Vast improvement over stock flywheels, which shift out of true under heavy loads. Heat-treated 4140 material is 114% stronger than stock, eliminates thrust washer. Larger 1.671″ crankpin, increased cross-sectional area for increased crank-pin clamping force. No welding required. Integral mainshafts, truer flywheels and less vibration.

Cost $1,375.00

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Available 4″, 4 3/8″, and 4 5/8″ Strokes


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