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The H&R 60mm I.D. race spring, 80mm long with a 120 N/mm (686 lbs/in) rate, is part of H&R's 60mm program produced from special lightweight (hf) 54SiCr6 spring steel. The high‑tensile alloy and precision manufacture allow thinner wire for reduced weight and increased travel versus many competitors. Springs are pre‑blocked at the factory to prevent permanent set or sag, and H&R offers many lengths and rates to enable precise suspension tuning for track and demanding street use.
H&R 60mm ID Single Race Spring Length 80mm Spring Rate 120 N/mm or 686 lbs/inch
