Performance Calibration for Jaguar XJ
(4.2L Supercharged V8)
- Stock HP & TQ:
400 HP / 398 FT-LB (540 Nm)
Performance Calibration Option:
- Performance Package Level 1:
470 HP / 464 FT-LB (630 Nm)
Ecu performance calibration modifies torque limiter maps, boost levels, fuel maps and more. All to help safely increase HP/TQ, while keeping good drive-ability and factory fail-safes/limp protection in place. Stock power and gains vary on the car based on conditions and state of the vehicle.
Jaguar XJ 4.2 V8 SC Performance Calibration
Tune your car at home with a flasher: POWERGATE
- Book an appointment to get this installed at our shop





