H&R 60mm ID Single Race Spring Length 160mm Spring Rate 80 N/mm or 457 lbs/inch - RF160080 Radiator Shrouds Dyno-Proven Gains up to +8

Dyno-Proven Gains up to +8 HP and +7 Lbs

100% reversible – Always able to return to stock configuration

304 stainless steel exhaust tips available in polished or black PVD finish

aFe porsche exhaust

H&R 60mm ID Single Race Spring Length 160mm Spring Rate 80 N/mm or 457 lbs/inch - RF160080 Radiator Shrouds Dyno-Proven Gains up to +8H&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