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Jet Performance Products Stage 1 Jeep Performance Module - 90412

Jet Performance Products | Part Number: JET90412


  • Monitor: Not Included
  • Fitment: Direct Fit
  • Number of Tunes: 1 Tune
  • Selectable on the fly: Is Not Selectable on the Fly


  • 2006 Grand Cherokee WK
  • 5.7L V8 Hemi engine
  • Legal in California only for racing vehicles which may never be used upon´┐Ż a highway


Performance tuning is more difficult vehicles were the factory computer does not have a chip that can be easily replaced. To solve the problem JET developed a plug in module that attaches to the vehicle computer externally that can add up to 30 horsepower. The JET Module optimizes the ignition spark advance, air to fuel ratios and transmission shifting for the ultimate in power and mileage gains.


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This Product Fits the Following:

  • 2006  Jeep  Grand Cherokee (WK)  Limited  
  • 2006  Jeep  Grand Cherokee (WK)  Overland  
  • 2005  Jeep  Grand Cherokee (WJ)  Limited  


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