Pagani Huayra BC Roadster YellSCA C4212 Scalextric Pagani Huayra Roadster BC Yellow The Pagani Huayra BC Roadster is an open top variant of the more track focused Huayra BC. Developing 789BHP from its 6. 0 litre twin turbo V12 the BC Roadster is a powerful and striking machine. Named after the late Benny Caiola, friend of founder Horacio Pagani, the BC roadster is one of the latest and most powerful Paganis to hit first the road and now the Scalextric track. This yellow version is