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The H&R 60mm I.D. race spring is a single main spring (300mm length, 35 N/mm or 200 lbs/in) intended for performance suspension tuning and motorsport setups. Produced in Germany from lightweight (hf) 54SiCr6 spring steel, the 2.50" I.D. program is on average 15% lighter and gives about 10% more travel than comparable springs. Each spring is pre‑blocked to avoid permanent set; H&R offers a broad selection of lengths and rates, tender springs, and coverage that includes Porsche GT3 and other Euro‑spec vehicles.
H&R 60mm ID Single Race Spring Length 300mm Spring Rate 35 N/mm or 200 lbs/inch
