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The H&R 60mm I.D. race spring, 140mm long with a 150 N/mm (857 lbs/in) rate, is produced in Germany from special lightweight (hf) 54SiCr6 spring steel. The high-strength wire allows reduced mass and increased travel compared with common spring designs. H&R’s 60mm I.D. range offers extensive length and rate options plus tender springs, and mains are pre-blocked at the factory to prevent setting and support precise suspension adjustments.
H&R 60mm ID Single Race Spring Length 140mm Spring Rate 150 N/mm or 857 lbs/inch
