Thunder Stroke Stage 3 116 ci Big Bore Kit (2020 and newer)


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  • Delivers approximately 20% more horsepower than stock 111-ci engine and dramatically improved throttle response
  • Improves performance with no compromise of the engine’s proven reliability and ride quality
  • Converts Thunder Stroke 111 into high-performance 116-ci displacement engine
  • Instant acceleration and incredibly responsive throttle
  • Dealer installation required; dealer will install Stage 3 kit’s high-performance internal engine components
  • Dealer will also upload revamped Stage 3 fuel mapping to tune engine for peak performance
  • Requires Stage 1 Exhaust and Performance Air Intake (each sold separately)

This Thunder Stroke Stage 3 116 ci Big Bore Kit delivers approximately 20% more horsepower than a stock 111 ci engine along with significantly improved throttle response and proven reliability and ride quality. This kit is also an outstanding performance value as it contains fewer components than earlier Stage 3 kits. Dealer installation is required, as your dealer will replace several internal engine components with high-performance Stage 3 equipment. The dealer will also upload revamped fuel mapping to tune the Stage 3 116 ci engine for optimal performance.



Care And Cleaning Please see your Indian Motorcycle® Rider’s Manual for specific cleaning and maintenance instructions.
Warranty 1 Year From Date of Purchase


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Thunder Stroke Stage 3 116 ci Big Bore Kit (2020 and newer)
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