Harley Davidson

Harley-Davidson 92500094 Screamin' Eagle Milwaukee-Eight Engine Stage IV Kit 107CI to 128CI Kit Screaming Eagle

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SKU: 92500094

Regular price £3,401.35 £3,779.28 | Save £377.93 (10% off)
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Type: Parts

PRODUCT DETAILS

KIT,PWR PRFM UPGR,128, STAGE 4, BStage IV

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.

- Delivers increased response throughout the entire RPM range

- Provides thrilling acceleration when twisting the throttle

- Maintains flat torque curve from cruising RPM to redline

- Can be installed without removing the engine from chassis

- Includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, 128 Stage IV Timer cover, SE8-517 High-Lift Cam, Forged High Compression Pistons

- Also includes High Performance Cam Bearing and High Performance Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold, High Flow Injectors (5.5 g/sec)

- Pending 49-State U.S. EPA compliant


Fits '18-later Softail 107CI models. FXFB requires separate purchase of Screamin' Eagle Softail High Flow Exhaust P/N's 64900828 or 64900829. Requires separate purchase of Cam Drive Retention Kit P/N 25566-06. Installation may require Cam Spacer Kit P/N 25928-06. '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 or dealership installed Screamin‚ Eagle calibration for proper installation. Does not fit California models.

Harley-Davidson 92500094 Screamin' Eagle Milwaukee-Eight Engine Stage IV Kit 107CI to 128CI Kit Screaming Eagle

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Harley-Davidson 92500094 Screamin' Eagle Milwaukee-Eight Engine Stage IV Kit 107CI to 128CI Kit Screaming Eagle

Harley-Davidson 92500094 Screamin' Eagle Milwaukee-Eight Engine Stage IV Kit 107CI to 128CI Kit Screaming Eagle

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