The Flashcal is the most advanced, & yet the most easy to use, tool on the market for recalibrating the speedometer for JK Wrangler customers who have upgraded tires, gears or axles on their rigs. Flashcal provides a quick c...

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The Flashcal is the most advanced, & yet the most easy to use, tool on the market for recalibrating the speedometer for JK Wrangler customers who have upgraded tires, gears or axles on their rigs. Flashcal provides a quick calibration solution to ensure the Jeep is dialed in properly. Now Flashcal owners can upgrade their unit to a Flashpaq online. A simple internet update can add award winning tuning straight to their device. ** This product has not been tested or validated on right hand drive Jeep(R) applications or imported (non-American VIN based)Jeep(R) applications. They are not supported by this product.

  • Corrects speedometer for tire upgrades between 26-42 in.
  • Speedometer recalibration for gear swaps up to 5.38
  • Locking axle options with transfer case in 4-Hi and 4-Low (Rubicon only)
  • Engine idle adjustability for winching
  • Daytime running light options
  • Corrects speedometer for tire upgrades between 26-42 in.
  • Speedometer recalibration for gear swaps up to 5.38
  • Locking axle options with transfer case in 4-Hi and 4-Low (Rubicon only)
  • Engine idle adjustability for winching
  • Daytime running light options

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