H&R Race Spring (Linear) - ID: 2.5" / Length: 16" Spring Rate:500 lbs/in BC Racing BR Series Coilovers

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H&R Race Spring (Linear) - ID: 2.5" / Length: 16" Spring Rate:500 lbs/in BC Racing BR Series CoiloversH&R 2. 50 I. D. Race Springs are made with extremely high tensile strength wire alloy which allows the use of a thinner wire thickness. Manufactured using advanced materials and precision technology in Germany, H&R 2. 50 I. D. Race Springs are crafted from special lightweight (hf) 54SiCr6 spring steel. For any given spring rate, they are on average 15% lighter and have 10% more travel than competitors springs. Main springs range from 6 to 16 in length