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The H&R 60mm I.D. race spring is a single race spring 160 mm long with a spring rate of 120 N/mm (around 685 lbs/in), targeted at performance suspension builds needing a compact, stiff main spring. Manufactured in Germany from lightweight 54SiCr6 spring steel, H&R’s 60mm series employs high-tensile wire allowing thinner coils that deliver roughly 15% less weight and about 10% more travel than many competitors. H&R provides numerous lengths and rates along with tender springs; all main springs are pre-blocked to prevent sag.
H&R 60mm ID Single Race Spring Length 160mm Spring Rate 120 N/mm or 685 lbs/inch
