Whiteline lowering spring kit for 2020–2021 Toyota GR Supra includes front and rear springs tuned to lower the vehicle about 30mm front and rear. Front rate is 2.9 kg/mm (162 lb/in) and rear rate 3.6 kg/mm (201 lb/in); the progressive coil design lowers the center of gravity and improves stance while being balanced for use with OEM and many aftermarket shock setups.
Whiteline 20+ Toyota GR Supra Front and Rear Performance Lowering Springs