The Australian Clubman, later known as Sports 1300 class catered for small capacity front engine rear wheel drive sportscars initially similar to the road going sports cars such as the Lotus 7 and to other Clubman series internationally.
[1] Clubman racing in Australia dates back to the 1950s but didn't emerge as a distinct category with its own set of rules separate to other sportscars until the 60's.
This meant they had to run doors for example, as opposed to the clubman cars which just had a cut-out to allow access.
Initially clubman style cars looked very similar to their road going counterparts such as the Lotus 7.
The final stage of this evolution before the class morphed into the Supersports category was the addition of wings first allowed in the early 2000s.