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The H&R 60mm I.D. race spring (90mm length, 280 N/mm) is a single main race spring made from lightweight 54SiCr6 spring steel. Engineered in Germany with high-tensile wire, the design uses thinner material for approximately 15% less weight and about 10% more travel compared with many rivals, offering tuners a broader adjustment window and crisper handling. Main springs are factory pre-blocked to prevent setting or sag. The 60mm program includes many lengths and rates plus tender springs for motorsport and Euro-spec cars such as the Porsche GT3.
H&R 60mm ID Single Race Spring Length 90mm Spring Rate 280 N/mm or 1600 lbs/inch
