129ci Big Bore Kit with Highlighted Fins – Black. Fits Milwaukee-Eight 2017up with 107ci Engine.

Product Details









Features & Benefits:-* Upgrades Milwaukee-Eight 107ci to 129ci.* 4.320in. Bore.* 4.375in. Stroke (4-3/8in.).* Forged Pistons.* 11.1 Compression Ratio.* Wrinkle Black Finish.* With Highlighted Fins.* Bolt-on Kit.* No Crankcase Machining Required.* Includes Gaskets & Hardware.* Includes Cam Cover BadgeTech Tips:-* Will Not Fit 114ci 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: 910-0843

ROLLIES PART No: SS910-0843






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