Hypertech 52501 Max Energy Programer

  • Sale
  • $349.90
  • Regular price $399.99


For use with your 3.7 and 4.7 WK/XK
  • Recalibrate speedometer and odometer for non-stock tire sizes and/or gear ratio changes
  • Raise the engine's rpm limiter for increased performance
  • Adjust individual automatic transmission shift points and shift firmness
  • Lower the cooling fan on/off temperatures to match the thermostat rating
  • Read and clear diagnostic trouble codes and turn off "check engine" lights