SCREAMIN' EAGLE SCREAMIN EAGLE MILWAUKEE-EIGHT ENGINE STAGE IV KIT - 114CI OR 117CI TO 131CI

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 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. Coupled with the kits 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. Its designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. Youll 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 vehicles 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).