Jaguar 4.2 V8 supercharged Tuning
Supported in 4 Jaguar models, 1999+.
Jaguar
4 supported 4.2 V8 supercharged applications
Models With the Jaguar 4.2 V8 supercharged
All Supported Jaguar 4.2 V8 supercharged Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| S-Type | 1999+ | X200 | 396 hp | ECU Denso MB279700 | AutoTuner |
| XF | 2008+ | X250 | 416 hp | ECU Denso MB279700 | AutoTuner |
| XJ | 2003+ | X350 | 400 hp | ECU Denso MB279700 | AutoTuner |
| XKR | 2008+ | 416 hp | ECU Denso MB279700 | AutoTuner |
About Jaguar 4.2 V8 supercharged tuning
We tune the Jaguar 4.2 V8 supercharged in 4 applications across the S-Type, XF, XJ, XKR, from 1999+, in gasoline form, with stock outputs of 396-416 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: Denso MB279700.
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.