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The H&R 60mm I.D. race spring is a single main race spring (120mm length, 110 N/mm) intended for refined suspension tuning and high-use track settings. Manufactured in Germany from lightweight (hf) 54SiCr6 spring steel, these springs are about 15% lighter and provide roughly 10% more travel than many competitors. The full 60mm program offers 80–300mm lengths and 25–700 N/mm rates, includes tender springs and arrives factory pre-blocked to help prevent sag.
H&R 60mm ID Single Race Spring Length 120mm Spring Rate 110 N/mm or 628 lbs/inch
