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Indian Motorcycle

Thunder Stroke® 116 ci Stage 3 Big Bore Kit (2019 models)

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This Stage 3 Performance 116 ci Big Bore Kit transforms a Thunder Stroke® 111 into a high-performance 116-ci power plant delivering 20% more horsepower and 15% more torque. Experience quicker acceleration and increased torque – without sacrificing reliability. This kit contains everything needed for the engine, including: new cylinders, big bore pistons, larger throttle body, and more. Dealer installation required. Also requires Stage 1 Exhaust, Exhaust Tips, and Stage 1 Performance Air Cleaner or Thunder Stroke® High Flow Air Cleaner (each sold separately).


  • For 2019 models

  • Cylinders

  • Big Bore Pistons & Rings

  • 60mm Throttle Body

  • Stage 3 Cams

  • Heavy Duty Clutch Springs

  • 116 Badge Kit

  • 116 Big Bore Calibration

  • High Performance Connecting Rods