Superchips Flashcal Jeep Wrangler JK 2007-2018

We've done our homework and have loaded the Flashcal with the most sought-after options for your JK. Take full advantage of the most popular aftermarket upgrades your late model JK craves. If you've added tires or gears to your Jeep, Flashcal is a must. 2007-2018 Jeep Vehicles.Features:Corrects speedometer for tire upgrades between 26-42 in.Speedometer recalibration for gear swaps up to 5.38Locking axle options with transfer case in 4-Hi and 4-Low (Rubicon only)Engine idle adjustability for winc