S&S 910-0685 128" Big Bore Kit Black For Harley-Davidson Milwaukee Eight M8

S&S 910-0685 Big Bore Kit 114" To 128" For Harley-Davidson M8

• Bolt-on kit, the largest cylinder bore possible without required machining of the crankcases
• 4.250" bore, 4.500" stroke
• 10.5:1 forged pistons with rings, pins and clips
• All gaskets and hardware required for installation included
• Wrinkle black finish
• Made in the U.S.A.
• Replaces OEM: 92500071
• Fits 2017 and later models equipped with 114" Milwaukee Eight engine