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The H&R 60mm I.D. race spring is a single main race spring (120mm length, 60 N/mm) designed for tuning suspension with a relatively soft spring rate for improved compliance. Engineered in Germany from (hf) 54SiCr6 spring steel, these springs typically weigh about 15% less and yield roughly 10% more travel than many rivals. H&R’s 60mm program offers 80–300mm lengths and 25–700 N/mm rates, tender springs, and factory pre-blocking to avoid permanent set.
H&R 60mm ID Single Race Spring Length 120mm Spring Rate 60 N/mm or 342 lbs/inch
