What is the fine-grained topic of the following text: This beautiful A roadster came to the UK in 1989 and was eventually acquired by a local enthusiast in 2007 who commissioned a full mechanical overhaul and upgrade by well respected MG and Lotus specialists, Maidstone Sports Cars, in 2008. Only return the topic.
Mechanical overhaul and upgrade of a Roadster by Maidstone Sports Cars.