The Holden's (GM Australia) cars, which where American derivatives of the A (mainly) and B bodies you may recognize, further customized (grilles and badges) with for the South African market (different from US or Australia).
Was "Chevelle" in USA, and "Monaro" in Austraila
Yes, it was called the Chevrolet "350". Was the "Statesman" (had a stretched version too) in Australia, and "Malibu" in US
The "Kommando SS" in South Africa, the Holden "Premier" downunder
The "Constantia" in South Africa and the Holden "Brougham" in Australia