Spoon Sports 00-09 S2000 Engine Mount RingThe mass production, liquid sealed engine mount are made of real rubber type, which offers higher hardness without a need for shape modification. The hardness of the mount was changed from 55 to 70 the spring constant, from 6 to 14 kgf mm. As a result of these changes, it is possible to realize a sharp steering characteristic and it is also possible to eliminate unpleasant vibration in the idling speed range.