S&S Cycle 910-0850 S&S Cycle 2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Black Granite w/ Highlight

S&S Cycle 2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Black Granite w/ Highlight

The biggest just got bigger! 136 cubic inches of bolt-on power in this cylinder and piston kit.

• Powder coat finish matches factory finish, giving the bike a "sleeper" advantage
• Huge displacement increase (4.320" Bore) means a huge power increase
• Original engine serial numbers are retained
• MLS (multi-layered steel) head gaskets
• Retains stock engine height
• Works with stock crankcases
• Includes Cam Cover Badge