The American Underslung 666 Big Six is a 4 door tourer-bodied road car with a front positioned engine driving through the rear wheels.
The power is produced by a naturally aspirated engine of 9.4 litre capacity. This unit features side valve valve gear, 6 cylinder layout, and 2 valves per cylinder.
The engine transmits power to the wheels via a 4 speed manual transmission.
Full specs