Screamin’ Eagle Milwaukee-Eight Engine Stage IV Kit - 107CI to 128CI Kit
Product Details
21 DAY VENDOR LEAD TIME
Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 107CI to 128CI Stage IV Kit is designed to deliver maximum horsepower – all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. It’s designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You’ll feel the difference as soon as you twist the throttle.
Fitment:
Fits '18-later Softail® 107CI models (except FXFB). Requires separate purchase of Cam Drive Retention Kit P/N 25566-06. Installation may require Cam Spacer Kit P/N 25928-06. ’18 107CI models require separate purchase of Screamin' Eagle High-Capacity Clutch Plate Kit P/N 37000258. '18-'19 models require separate purchase of High-Capacity Oil Pump P/N 62400247. All models require ECM calibration with Screamin' Eagle Pro Street Tuner for proper installation.
Intermountain H-D Part #:
92500094
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