Description
S&S 128″ Big Bore Kit For Harley 114″ / 117″ Milwaukee Eight
Maximize your M8 motor’s potential with the ultimate bore size upgrade that requires no case machining. This all-inclusive kit simplifies the pathway to significant power enhancement, ensuring a straightforward installation process.
Features:
– Bolt-on kit, the largest cylinder bore possible for M8 motors without required machining of the crankcases
– 4.250″ bore, 4.500″ stroke
– 11:1 forged pistons with rings, pins and clips
– All gaskets and hardware required for installation included
– Made in the USA
