eBay
The car is in perfect condition.
Only modification done was to substitute the factory seat with a custom seat (original seat is available)
The car comes with a complete set of tires/wheels that have never been used.
To find more information about this car/model, look at:
us.caterhamcars.com/cars/sp300r  
autoweek.com/article/car-reviews/caterham-lola-sp300r-latest-track-day-alternative-your-road-car  
autocar.co.uk/car-review/caterham/sp300r