Here at Moto-Build Racing we have developed a set of lowering springs for the MG ZT 190 and ZT 160 V6, they will drop the car by 25mm all round, we have kept to the standard poundage as the ZT is quite firm enough for most people.
See further listings if you want springs for your ZT or ZT-T Diesel

The Springs

Before Lowering

After Lowering