Inaugurated in 1989, its high power-to-weight ratio, capability of reaching 190 mph and loud engine noise, combined with close racing in a field consisting of over 30 cars at its peak, made the series become, at the time, the premier one-make series in the UK with an extensive TV coverage; over the years, many drivers who competed in the series moved on in major championship series and many notable drivers have guest driven in a race.