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Build a fast, reliable 110 cubic inch Twin Cam hauler without having to remove the motor from the chassis.
- This Stage III Street Performance Kit combines system-matched Screamin' Eagle big bore cylinders, high compression pistons and performance cams and valve train components with the Original Equipment cylinder heads for a cost-effective boost in torque and performance
- The exclusive bolt-on 4.0" cylinders are engineered with slim-wall spigots that slip into the factory crank case without any additional machining
- 4" flat top pistons team with the stock cylinder heads to produce a performance enhancing 10.5:1 compression ratio
- High-lift SE-585 cam produces a boost in torque throughout the RPM range
- Includes 4" bolt-on cylinders, high compression pistons and rings, SE-585 cams, Perfect Fit pushrods, high capacity tappets, and high performance valve springs
- Also includes a heavy-duty clutch spring and a top end gasket kit
Note
Fits Harley-Davidson Softail '16-17 & Touring '14-16. Does not fit Trike, CVO 110 or models with engine cases that have been machined to accept large-bore cylinders. Requires separate purchase of Cam Drive Retention Kit P/N 25566-06. Cam Spacer Kit P/N 25928-06 is recommended. Twin-Cooled models require separate purchase of model-specific head gaskets. All EFI-equipped models require ECM calibration (priced separately). Recalibration is required for proper installation. See Dealer for details. Separate purchase of cam spacers is recommended. Labor cost not included.
