Screamin' Eagle® Stage III Kit - 
103 Performance Upgrade

Give your Touring bike the kick it needs to pass a road hogging RV on a long uphill climb. This street-legal Stage III "in-a-box" kit includes the system-matched components you need to build a performance Twin Cam engine with torque and horsepower characteristics you can use - every day. Designed for use with stock cylinder heads, this kit produces big torque gains at lower RPM while maintaining your factory warranty. Forged 10.5:1 High Compression Pistons and RingsSE-585 CamsHigh Performance Valve SpringsPerfect-Fit PushrodsTop End Gasket KitHeavy Duty Clutch Spring This street-performance engine has the potential to produce 88 HP and 100 lb-ft of torque with the stock cylinder heads. All EFI-equipped models require dealer-installed ECM calibration download or use of the tunable Screamin' Eagle® Street Tuner Kit* (priced separately).