Engine · Jaguar XJ X351 2009 - 2015
4.2 V8 Supercharged
Explore available calibrations, measured performance figures, and options for this engine.
- Fuel
- Gasoline
- Stock power
- 400 hp
- ECU access
- Standard access
- Available calibrations
- 4
Jaguar · XJPerformance
Power+70 hp · +18%
470hp400 hp
Torque+89 Nm · +16%
630Nm541 Nm
What happens on the day
- 01
Diagnostic check
We inspect the whole vehicle before making any change.
- 02
Baseline dyno run
Stock output is measured on your own vehicle.
- 03
Backup and calibration
The factory file is saved before a safe, tailored calibration.
- 04
Final run and handover
We verify the datalogs and give you the results.
Not your engine?
Choose another engine from the same generation.
2.7 TDV6Diesel207 hp3.0DDiesel275 hp3.0 V6 SuperchargedGasoline340 hp4.2 V8 SuperchargedCurrent400 hp5.0 V8Gasoline385 hp5.0 V8 SuperchargedGasoline510 hp