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The H&R 60mm I.D. race spring is a single main race spring (100mm length, 340 N/mm) for tailored suspension tuning on track-focused or upgraded street cars. Crafted in Germany from (hf) 54SiCr6 lightweight spring steel, these springs are approximately 15% lighter and deliver around 10% more travel compared to many competitors. H&R offers broad length and rate choices—80–300mm and 25–700 N/mm—plus tender springs and factory pre-blocking to prevent setting.
H&R 60mm ID Single Race Spring Length 100mm Spring Rate 340 N/mm or 1941 lbs/inch
