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Home / Tuning files / Jaguar / XJ / 2003 - 2009 / 4.2 V8 SC 400hp
| Type of fuel | petrol |
| Method | Chiptuning |
| Tuning type | Stage 1 |
| Cylinder content | 4196 CC |
| Compression ratio | 9.10 : 1 |
| Bore X stroke | 86.00 X 90.30 mm |
| Engine number | AJ34 |
| Engine ECU | Denso MB279700 |
| Gearbox ECU |
Jaguar XJ 4.2 V8 SC 400hp Stage1 Tuning File
We ensure that the 400 hp / 540 nm torque engine power produced by your Jaguar XJ 2003 - 2009 model vehicle with the standard option software reaches 470 hp / 630 nm torque after the application of the customized Jaguar XJ 2003 - 2009 vehicle software (Jaguar XJ 2003 - 2009 Chip Tuning). After the +70 hp / +90 nm torque power increase, your vehicle's exhaust emission values do not change and do not smoke.
We enable you to use it safely by revealing the power that the factory has restricted due to parameters such as taxation system, sales policy and fuel quality, with licensed software. As a result of this process, there is no harm as the limits set by the factory are not exceeded.
The chip tuning software process to be applied to the engine of your Jaguar XJ 2003 - 2009 vehicle takes an average of 1-2 hours, please contact us for more information.