H&R 60mm ID Single Race Spring Length 200mm Spring Rate 70 N/mm or 400 lbs/inch 2018-subaru-wrx-esi8080924 this viscosity grade (90) helps

this viscosity grade (90) helps providing an outstanding oil film resistance at hot temperature and/or to reduce transmission noise

It may be small

In the case of the 2022+ Subaru BRZ and Toyota GR86

5 / +38 Offset / 4x100 / 63mm Bore / Semi Gloss Black

H&R 60mm ID Single Race Spring Length 200mm Spring Rate 70 N/mm or 400 lbs/inch 2018-subaru-wrx-esi8080924 this viscosity grade (90) helpsH&R 2. 50" I. D. Race Springs are made with extremely high tensile strength wire alloy which allows the use of a thinner wire. Manufactured using advanced materials and precision technology in Germany, H&R 2. 50" I. D. Race Springs are crafted from special lightweight (hf) 54SiCr6 spring steel. For any given spring rate, they are on average 15% lighter and have 10% more travel than competitors' springs. Main springs range from 6" to 18" in length and