Arden, the exclusive Jaguar and Range Rover cars aftermarket specialist has announced various power enhancement kits for the new 2010 Jaguar models.

For the revised 2010 Jaguar XKR and XFR's supercharged AJ-V8 Gen III power unit, the engineers at Arden have developed two performance kits, which can boost its output figures to the massive 605 horsepower and 745 Nm of maximum torque. Moreover, the vehicle gets new high-performance silencer and sport metal catalytic convertor.

For the Jaguar XK's 5.0-litres V8 naturally aspirated engine with 385 horsepower and 515 Nm of peak torque, the guys at Arden have prepared an electronics optimization option, which increases the ride's output rates with 25 horsepower and 50Nm. In addition to that, Arden also offers an exclusive electronic unit that overrides the factory 250 km/h speed limiter.