Description
S&S Cycle 131″ Stroker Flywheel Assembly for Harley Davidson M-8
- Made of high-strength forged steel and designed for stock and high-performance custom applications
- Special keyed 6° large diameter tapered sprocket shaft that provides more contact area for increased strength
- Machined with timing notches compatible with factory crank position sensor
- Standard S&S tapered crankpin and pinion shaft are used for ease-of-service
- Balanced to stock HD 80″ pistons
- Includes flywheel, crankpin and connecting rods
- STROKE LENGTH 4-5/8″
- Made in the U.S.A.






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