Description

This Stage IV Kit was developed to deliver maximum horsepower from the Milwaukee-Eight engine – all the way to the redline. The system-matched combination of larger displacement cylinders, free flowing CNC-Ported cylinder heads and a cam with the highest available valve lift are the starting point to building the perfect engine for the performance junkie. Designed for a high level of flexibility, this package is ideal for riders who like to comfortably cruise at lower rpm but still have plenty of arm-pulling acceleration when you whack the throttle. Kit includes CNC Ported Cylinder Heads with Performance Valve Springs, 64mm Throttle Body, High Flow Injectors (5.5g/s), 4.075″ Bolt-On Cylinders, Forged 11:1 High Compression Aluminum Coated Pistons and Rings, SE8-515 Cam, Cam Bearing Upgrade, High Performance Tappets, Multi-layer Coated Head Gaskets, High Capacity Clutch Springs (1200N) and most necessary gaskets and seals. For u201917 and u201918 Touring models, installation of oil pump cover P/N 62400206 is recommended (sold separately). All models require ECM calibration with Screaminu2019 Eagle Pro Street Tuner for proper installation. See Dealer for details. Stage IV Kit 114 to 117CI – Air/Oil-Cooled Black with Highlighted Fins – Matches Original Equipment Non-CVO Engines Increases power by up to 40% when compared to the Original Equipment engine configurations Delivers increased response throughout the entire RPM range Maintains flat torque curve from cruising RPM to redline Can be installed without removing the engine from the chassis Retains Original Equipment Factory Warranty

Additional information