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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 70 N/mm (about 400 lbs/in), built for fine-tuning cornering balance and ride compliance on track-focused cars. Made in Germany from (hf) 54SiCr6 spring steel, H&R’s 60mm program uses high-tensile, thinner wire to cut weight by roughly 15% and increase travel by about 10% versus common alternatives. A wide choice of main and tender springs is available, and H&R pre-blocks springs to avoid sag over time.
H&R 60mm ID Single Race Spring Length 160mm Spring Rate 70 N/mm or 400 lbs/inch
