Aston Martin debuted an AMR Pro package for its track-only Vulcan supercar at the Goodwood Festival of Speed, revealing several aerodynamic improvements and shorter gearing to lower lap times.
There are also several turning vanes "beneath the front splitter to aid steering response", says AutoExpress, while a redesigned engine cover shaves 11lbs from the car's weight.
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The package also sees a "surge in maximum downforce", allowing Vulcan AMR Pro models to generate more aerodynamic grip than Aston's "Le Mans class winning Vantage GTE".
However, says Autocar, the British carmaker is only offering the package as a retrofit to the owners of all 24 Vulcans and there are no plans to extend production for factory-made AMR Pro models.
It adds that the package is expected to cost in the region of "between £100,000 and £150,000" - "a small percentage of the original Vulcan price of £1.8 million".
Visitors to this year's Goodwood Festival of Speed, which finishes on 2 July, will be among the first to see the car, as Aston Martin will be running a Vulcan AMR Pro up the hillclimb all weekend.