Turn your Original Equipment 110 cubic inch model into a fast, reliable 117 cubic inch Twin Cam hauler without having to remove the motor from the chassis.
- This Street Performance Kit combines system-matched Screamin Eagle big bore cylinders, forged pistons and performance cams and valve train components with the Original Equipment cylinder heads for a cost-effective boost in torque and performance
- Black finish Exclusive bolt-on 4.125" cylinders are engineered with high strength slim-wall spigots that slip into the factory 110CI crank case without any additional machining 4.125" flat top pistons team with the stock cylinder heads to produce a performance-enhancing 9.9:1 compression ratio High-lift SE-259E cam produces a boost in torque throughout the RPM range
- Includes 4.125" Bolt-On Cylinders, Forged 9.9:1 Compression Pistons & Rings, 58mm Throttle Body, High Flow Fuel Injectors, SE-259E Cams, Perfect-Fit Pushrods, High-Capacity Roller Tappets, Inner Cam Bearing, Top End & Cam Cover Gasket, EO Emissions Label
NoteFits Harley-Davidson Twin Cam 110 '14-later CVO 110CI Softail and '14-'16 CVO Touring models. Also fits '16-later 110CI FLSS, FLSTFBS and FXDLS models. Requires purchase of accessory 58mm air cleaner and Cam Drive Retention Kit P/N 25566-06 (except models equipped with Screamin' Eagle Heavy Breather Elite Performance Air Cleaner Kits). Models equipped with Ventilator Air Cleaner require separate purchase of 58mm Air Cleaner Backplate P/N 29400038. All EFI models required ECM calibration for proper installation. '17-later models require reclibration with Screamin' Eagle Pro Street Tuner (sold separately).