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The H&R 60mm I.D. race spring, 130mm long with a 30 N/mm (171 lbs/in) rate, comes from H&R's comprehensive 60mm program made with lightweight (hf) 54SiCr6 spring steel. The alloy permits thinner wire for reduced weight and roughly 10% more travel versus many competitors. Each spring is factory pre‑blocked to avoid permanent set or sag, and the lineup provides many lengths and rates to support precise suspension tuning for demanding motorsport and high‑performance street use.
H&R 60mm ID Single Race Spring Length 130mm Spring Rate 30 N/mm or 171 lbs/inch
