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The H&R 60mm I.D. race spring is a single 40mm spring with a 100 N/mm (571 lbs/in) rate for compact, high-rate applications. Manufactured in Germany from special (hf) 54SiCr6 spring steel, these springs are typically 15% lighter and provide about 10% more travel than many competitors. H&R’s 60mm program includes a broad selection of lengths and rates plus tender springs; all springs are factory pre-blocked to prevent setting or sag and support Euro-spec cars including Porsche GT3.
H&R 60mm ID Single Race Spring Length 40mm Spring Rate 100 N/mm or 571 lbs/inch
