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Thunder Stroke Stage 2 Performance Kit

Item # 2884323
$799.99 USD
Available At Dealer Only


This Thunder Stroke Stage 2 Performance Kit delivers 17% more horsepower than a stock 116 ci engine along with significantly improved throttle response and proven reliability and ride quality. Dealer installation is required, as your dealer will replace several internal engine components, including the cams, with high-performance Stage 2 equipment. The dealer will also upload revamped fuel mapping to tune the Stage 2 116 ci engine for optimal performance. The Thunder Stroke Stage 1 Performance Air Intake and your choice of the Stage 1 Oval Slip-On Muffler Kit or Thunder Stroke Stage 1 Slip-On Exhaust Kit are required (all sold separately).

Overview & Specs

  • Stage 2 equipment and tuning delivers approximately 17% more horsepower than stock 116-ci engine
  • Also provides dramatically improved throttle response for instant acceleration
  • Experience the incredible performance gain with no compromise of engine’s proven reliability and ride quality
  • Dealer installation required; dealer installs high-performance Stage 2 components
  • Dealer also uploads revamped fuel mapping for Stage 2 tuning that delivers optimized performance
  • Stage 1 Slip-On Exhaust Kit (sold separately) required
  • Thunder Stroke Stage 1 Performance Air Intake required (sold separately)
Care And Cleaning Please see your Indian Motorcycle Rider's Manual for specific cleaning and maintenance instructions.
Warranty Warranty Information

Designed to Fit

  • 2020-2021 Springfield Dark Horse
  • 2020-2021 Roadmaster Dark Horse
  • 2020-2021 Roadmaster
  • 2020-2021 Chieftain Dark Horse
  • 2020 Roadmaster Elite
  • 2020 Chieftain Limited
California residents: WARNING