Existing Defender owners can transform their own vehicle into a Wildcat V8 Defender by supplying their existing vehicle for an aftersale conversion. This option is open to owners of both current and older variants of the Defender.

Subject to requirements, we take in p/x the existing customers engine and gearbox, with V8 conversions typically taking 4-6 weeks from order.


Wildcat’s uncompromising has yielded the highest-ever performance levels from a Defender. Our unrivalled technical experience along with attention to each and every detail, has seen us develop cutting-edge components that are technically innovate and ultimately faster and stronger than the competition. The Wildcat Defender replaces the stock diesel engine and gearbox, with a GM derived 6.2L petrol V8 and 6 speed automatic gearbox providing 430bhp and more than 540 NM of Torque at 4,700 RPM. Additional power upgrades are available for power increases, providing over 550bhp.

430 BHP

540 NM of TORQUE AT 4,700RPM

* Additional power upgrades available, providing over 550bhp.





Behind the engine sits a 6 speed automatic gearbox that is seamlessly mated to the engine with a unique inbuilt ‘intelligent’ control module, allowing the gearbox to adjust parameters accordingly. The existing vehicle management system is reprogrammed to the new engine and gearbox, resulting in all existing instruments and controls being run as used in the standard vehicle. The Wildcat Defender is a truly ‘factory built’ vehicle and has been meticulously prototyped to ensure conformity of production and volume manufacturing reliability in every respect.


  • Additional power upgrades available, providing over 550bhp.
  • Steering Wheel Mounted Paddleshift System With Integrated Gear Selection Display.

Click to download full specification sheet.

Screen Shot 2015-06-09 at 16.51.29