Jeep 5.7i V8 HEMI Tuning
Supported in 2 Jeep models, 2005+.
Jeep
12 supported 5.7i V8 HEMI applications
Models With the Jeep 5.7i V8 HEMI
All Supported Jeep 5.7i V8 HEMI Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Commander | 2006+ | 345 hp | ECU Continental GPEC2A | AutoTuner | |
| Commander | 2006+ | 345 hp | ECU Continental GPEC2 | AutoTuner | |
| Commander | 2006+ | 345 hp | ECU Motorola NGC4 | AutoTuner | |
| Commander | 2006+ | 345 hp | ECU Motorola NGC4A | AutoTuner | |
| Grand Cherokee | 2011+ | WK2 | 345 hp | ECU Continental GPEC2A | AutoTuner |
| Grand Cherokee | 2011+ | WK2 | 345 hp | ECU Continental GPEC2 | AutoTuner |
| Grand Cherokee | 2011+ | WK2 | 345 hp | ECU Motorola NGC4 | AutoTuner |
| Grand Cherokee | 2011+ | WK2 | 345 hp | ECU Motorola NGC4A | AutoTuner |
| Grand Cherokee | 2005+ | WK | 345 hp | ECU Continental GPEC2A | AutoTuner |
| Grand Cherokee | 2005+ | WK | 345 hp | ECU Continental GPEC2 | AutoTuner |
| Grand Cherokee | 2005+ | WK | 345 hp | ECU Motorola NGC4 | AutoTuner |
| Grand Cherokee | 2005+ | WK | 345 hp | ECU Motorola NGC4A | AutoTuner |
About Jeep 5.7i V8 HEMI tuning
We tune the Jeep 5.7i V8 HEMI in 12 applications across the Commander, Grand Cherokee, from 2005+, in gasoline form, with stock outputs of 345 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Continental GPEC2, Continental GPEC2A, Motorola NGC4, Motorola NGC4A.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.