This Stage III kit has been developed for the rider looking for a solid “seat of the pants” increase you can feel every time you roll on the throttle. The bump up in displacement and compression deliver a significant increase in torque and power over stock, all the while restoring the sensation of riding solo when you’re loaded down. Plus there’s a one-year manufacturer’s warranty and eligibility for coverage under factory vehicle warranty when dealer-installed within 60 days of vehicle purchase.
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Delivers up to 23% more horsepower and 17% more torque when compared to the Original Equipment engine configurations
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Delivers increased throttle response throughout the entire RPM range
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Provides thrilling acceleration when twisting the throttle
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Maintains flat torque curve from cruising RPM to redline
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Can be installed without removing the engine from chassis
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Includes 4.155" Big Bore Bolt-On Cylinders, Forged 11.0:1 High Compression Pistons and Rings, SE8-447 Torque Cam, High Capacity Tappets, High Performance Cam Bearing, Stage III Timer Cover & Insert
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Includes Multi-Layer Coated Head Gaskets, Cylinder Base and Cam Cover Gaskets, most necessary gaskets and seals
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49-State U.S. EPA Compliant on select ’18-later Softail™ models
