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The H&R 60mm I.D. race spring is a single race spring intended for tuning — 180mm length with a 30 N/mm (171 lbs/in) rate. Crafted in Germany from lightweight (hf) 54SiCr6 spring steel, H&R’s high-tensile wire allows thinner coils that yield lower weight and increased travel compared with many rivals. Springs arrive pre-blocked at the factory to prevent sag, and the program includes multiple lengths and tender spring options.
H&R 60mm ID Single Race Spring Length 180mm Spring Rate 30 N/mm or 171 lbs/inch
