H&R 2.5 inch ID Single Race Spring Length 10 inch Rate 900 lbs/inch - R25100900 Yellow Speed Racing Includes 4 rivets and a

Includes 4 rivets and a pair of guards

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Improved air induction and engine bay airflow at high speeds

this superior drop wasn’t enough for us

100-percent brazed aluminum

H&R 2.5 inch ID Single Race Spring Length 10 inch Rate 900 lbs/inch - R25100900 Yellow Speed Racing Includes 4 rivets and aH&R 2. 50" I. D. Race Springs are made with extremely high tensile strength wire alloy which allows the use of a thinner wire. 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 18" in length and