124″ Big Bore Kit for the 107″ M8 Harley models. Highlighted fins.
Fits: 2017-2019 107″ M-Eight Motors
- Bolt-on kit is the largest possible bore that does not require machining of the crankcases
- 4.250″ bore, 4.375″ stroke
- 11:1 forged pistons with rings, pins and clips
- All gaskets and hardware required for installation included
- Wrinkle black finish
- Made in the U.S.A.
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