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The H&R 60mm I.D. race spring (100mm length, 170 N/mm) is a single main race spring built from lightweight 54SiCr6 spring steel. Made in Germany with extremely high-tensile wire, the thinner construction yields roughly 15% less weight and about 10% more travel than many competitors, providing tuners extended adjustment range and sharper handling feedback. Main springs are factory pre-blocked to avoid setting or sag. The 60mm line spans many lengths and rates and includes tender springs for motorsport and Euro-spec cars such as the Porsche GT3.
H&R 60mm ID Single Race Spring Length 100mm Spring Rate 170 N/mm or 970 lbs/inch
