128ci Big Bore Kit with Highlighted Fins – Black. Fits Milwaukee-Eight 2017up 114ci Engine.

Product Details







Features & Benefits:-* Upgrades Milwaukee-Eight 114ci to 128ci * 114ci to 128ci Big Bore Kit* 4.250? Bore* 4.500? Stroke (4-1/2?)* Forged Pistons.* 11.1 Compression Ratio.* Wrinkle Black Finish.* With Highlighted Fins.* Bolt-on Kit.* No Crankcase Machining Required.* Includes Gaskets & Hardware.Tech Tips:-* Will Not Fit 107ci Models.* Use Care during assembly to avoid damage to Cylinder Spigots. * Ring gap & Piston to Cylinder Clearance should be checked. * Rev Limit should be set at 3500 rpm for Initial Run In Period.* Re-Calibration of Ignition Timing & Fuel Mixture is required.Proudly Made in the USA by S&S Cycle !
MFR PART No: 910-0684A

ROLLIES PART No: SS910-0684






Download Product information ( PDF)