It's kinda hard to find springs for the 2.0, so let's see what you guys have.
here is what I found
PI lowering springs: KIA STINGER 2.0T REAR WHEEL DRIVE 2017- 30mm PI LOWERING SPRINGS | eBay
30mm / 30mm (1.18" / 1.18")
Cobra springs: MUELLES KIA STINGER 10|2017- 2.0T REAR WHEEL DRIVE...