Flywheel assemblies are designed for use with Timken-style sprocket shaft bearings. Fit directly in stock crankcases with no modifications. Heat treated 4140 material is harder and 114% stronger than stock. Integral mainshafts-eliminates two potential points of weakness. Consistent balance and precision machining. Truer flywheels and less vibration. Made in the USA.
Recommended for the S&S Cycle 320-0354 Flywheel Assembly - 4 3/8in. Stroke
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$19.99 | $24.99
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