Carrozzeria Zagato built a small series of coupés with the unofficial designation of 1900 SSZ, designed for racing with an aerodynamic lightweight aluminium body and Zagato's trademark double bubble roof. (en.wikipedia.org)
Zagato added a carbon - fiber body kit that features the Italian design house's signature Kamm - tail (K - tail) and double bubble roof treatment. (topspeed.com)
It carries the heritage of the brand with design cues such as the double bubble roof, dual humps that are signature to the Milan design house,» said Kazunori Yamauchi, President of Polyphony Digital Inc., the game's developer. (automobilemag.com)