S&S Cycle 131″ Big Bore Stroker Cylinder & Piston Kits For Harley Milwaukee-Eight 2017-2023

S&S 131″ Big Bore Stroker Cylinder & Piston Kits For Harley Milwaukee-Eight

S&S has been building big bore kits forever and has it down to an absolute science. The Milwaukee Eight platform has opened up a whole new level of performance. Combining a newly design forged piston with their 4.25” cylinders to net a tire melting 131 cubic inches when paired with their stroker crank. These big bore kits and cranks are built to much tighter tolerarances and with higher quality materials than the factory parts making them a solid platform for massive power.

Features:

• Huge displacement increase means huge power increase
• Works with stock crankcases
• Original engine serial numbers are retained
• Powder coat finish match factory finish, giving the bike a “sleeper” advantage
• .045″ MLS (multi-layered steel) head gaskets
• Retains stock engine height
• Includes 131″ Cam Cover Badge

Note: Must be used with S&S stroker flywheels to achieve 131″ displacement