92500079 Harley Screamin' Eagle Milwaukee-Eight Engine Stage IV Kit - 114CI or 117CI to 131CI 92500079

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92500079 Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit , this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower � all the w ay 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. Coupled with the kit's high-lift SE8-517 cam , high compression pistons and a 64mm throttle body and intake manifold , this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. 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. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase , compliant kits do not impact the vehicle's limited warranty.Kit includes: CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves , Stage IV Timer Cover , SE8-517 High-Lift Cam , Forged High Compression Pistons , High Performance Cam Bearing and Tappets , 4.31" Steel Sleeve Cylinders , 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec).• Stage IV Kit - 114CI or 117CI to 131CI for Oil Cooled models• 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• Retains Original Equipment Factory Warranty• 49-State U.S. EPA Compliant on '17-later Touring models FITMENT INFORMATIONFits '17-later Touring models equipped with air/Oil-Cooled Milwaukee-Eight 114 or 117CI engine. Does not fit Trike models. Does not fit '23 later FLHXSE, FLTRXSE and '24-later FLHX, FLTRX, and FLTRXSTSE models. '17-'19 models require separate purchase of High-Capacity Oil Pump P/N 62400247. '17-'18 Screamin' Eagle High-Capacity Clutch Plate Kit P/N 37000258. '18-19 CVO models require separate purchase of 62700204. All models require ECM recalibration with the Pro Street Tuner or dealership installed Screamin' Eagle calibration for proper installation. Does not fit California models.• Dealer Install Recommended:Yes• ECM Calibration Required:Yes Show more