Jeep Grand Cherokee 2007 Used Automatic Gasoline 4WD Grand Cherokee 6.1 SRT, model 2007, modified. 1. Mercedes panorama fan, temperature below. 2. Stage 3 cam package, double springs, rods. 3. Remote start system. 4. Electronic Oxford mufflers. 5. Custom aluminum sports shaft. The engine was rebuilt with Mahle parts and pistons at a well-known and famous workshop. It has a sports fuel pump from AEM.