Jet Performance 90702 Performance Stage 1 Module for 07-08 Jeep® Commander & Grand Cherokee with 4.7L Engine
Stage 1-For stock or mildly modified vehicles. Fuel and timing curves are modified for optimal performance and mileage using less expensive, lower octane fuels. Programming is designed to burn fuel at peak efficiency, which results in improved performance and mileage. Daily drivers can use lower cost regular fuel for potential mileage gains, but for optimal performance gains use of mid-grade or better is recommended.
Jeep Grand Cherokee (WK)
- 2008 Jeep Grand Cherokee (WK)
- 2007 Jeep Grand Cherokee (WK)
Jeep Commander (XK)
- 2008 Jeep Commander (XK)
- 2007 Jeep Commander (XK)