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Jaguar XK4.2 V8 R 313 KW

Jaguar
Available Services
Rev Limit removal
VMax removal
  • Model

    Jaguar XK

  • Variant

    4.2 V8 R 313 KW

  • Years

    2006-now

  • Fuel

    Petrol

  • Engine Size

    4196

  • ECU Type

    Denso

Celtic Tuning's economy software is designed to improve fuel efficiency during normal daily driving, specifically under part-throttle conditions.

It delivers a smoother power curve and improved fuel economy, though actual savings and performance gains will depend on factors such as driving style, road conditions, and vehicle load.

Original Modified Difference
313

KW

336

KW

+23

KW

560

Nm

601

Nm

+41

Nm

Stage Notes

This Stage 1 ECU remap, developed by Celtic Tuning, is designed to safely improve your vehicle's power and torque whilst maintaining standard components and remaining within tolerances.

It's the perfect balance of increased power and day-to-day usability, which is ideal for those who want extra performance but not at the cost of additional hardware or reliability.