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

Product Details







Features & Benefits:-* Upgrades Milwaukee-Eight 107ci to 129ci. * 4.320? Bore.* 4.375? Stroke (4-3/8?).* Forged Pistons.* 11.1 Compression Ratio.* Wrinkle Black Finish.* Without Highlighted Fins (Typically FXBB, FLSL & FXFB).* Bolt-on Kit.* No Crankcase Machining Required.* Includes Gaskets & Hardware.* Includes Cam Cover BadgeSuggested Additional Purchase:Dual spray piston cooling jet kit # SS310-1203 Tech 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: 910-0844A

ROLLIES PART No: SS910-0844






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