S&S Cycle 124″ Big Bore Kit For Harley 107″ Milwaukee Eight 2017-2023

S&S 124″ Big Bore Kit For Harley 107″ Milwaukee Eight

Upgrade your 107″ M8 motor to the largest bore size possible, without required machining of your cases. This is as simple as big power gets, with everything necessary for installation included.

Features:

• Bolt-on kit, the largest cylinder bore possible for 107″ M8 motors without required 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 USA