Infiniti 56 (5.6i V8) Tuning
Supported in 4 Infiniti models, 2007+.
Infiniti
5 supported 56 (5.6i V8) applications
Models With the Infiniti 56 (5.6i V8)
All Supported Infiniti 56 (5.6i V8) Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| M | 2008+ | 408 hp | ECU Hitachi BEDxxx/MECxxx | AutoTuner | |
| M | 2008+ | 426 hp | ECU Hitachi BEDxxx/MECxxx | AutoTuner | |
| QX56 | 2011+ | 408 hp | ECU Hitachi BEDxxx/MECxxx | AutoTuner | |
| QX70 | 2007+ | 408 hp | ECU Hitachi BEDxxx/MECxxx | AutoTuner | |
| QX80 | 2016+ | 408 hp | ECU Hitachi BEDxxx/MECxxx | AutoTuner |
About Infiniti 56 (5.6i V8) tuning
We tune the Infiniti 56 (5.6i V8) in 5 applications across the M, QX56, QX70, QX80, from 2007+, in gasoline form, with stock outputs of 408-426 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: Hitachi BEDxxx/MECxxx.
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.