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.
• Granite 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
• All EFI-equipped models require dealer-installed ECM calibration download or use of the tunable Screamin' Eagle™ Street Tuner Kit (priced separately)
• Recalibration is required for proper installation, See Dealer for details, Labor cost not included
• 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
SKU 92500055
Model # 92500055
Brand Harley-Davidson

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