The Keystone Six Model No. 9 is a tourer with 2 doors and a front mounted engine which transmits the power through the rear wheels.
It is powered by a naturally aspirated engine of 7.8 litre capacity. This unit features side valve valve gear, 6 cylinder layout, and 2 valves per cylinder.
The engine delivers its power through to the wheels via a 3 speed manual 'box.
Full specs