Turn your Original Equipment 110 cubic inch model into a track-ready 117 cubic inch hauler without removing the engine from the chassis. This kit features exclusive bolt-on 4.125" bore cylinders that are engineered with high strength steel liners that slip into the existing factory 110CI Twin Cam crankcase openings. System-matched pistons combine with the Original Equipment CVO cylinder heads to produce a strong 9.9:1 compression ratio. Installation does not require case machining or modification.

Kit includes:

• Screamin’ Eagle 4.125" Bolt-On Cylinders
• Forged 9.9:1 Compression Pistons and Rings
• Screamin’ Eagle 58mm Throttle Body
• High Flow Fuel Injectors
• SE-259E Cams
• Perfect-Fit Pushrods
• Screamin’ Eagle High-Capacity Roller Tappets
• Screamin’ Eagle Inner Cam Bearing Kit
• Top End and Cam Cover Gaskets
• Heavy Duty Clutch Spring
• When installed with your choice of 58mm high-flow air cleaner and free-flowing exhaust, this engine has the potential to produce 114 horsepower at the rear wheel, a 42% increase over stock and 121 ft. lbs. of torque, a 20% increase over stock.