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The H&R 2.50" I.D. race spring is a single 12-inch coil rated at 200 lbs/in for tuning track or high-performance street suspension. Manufactured in Germany from lightweight (hf) 54SiCr6 spring steel, its high-tensile wire enables thinner coils with less weight. H&R cites roughly 15% lower mass and about 10% more travel than many competitors; a broad range of lengths and spring rates is offered, and springs are pre-blocked for consistent behavior.
H&R 2.5 inch ID Single Race Spring Length 12 inch Rate 200 lbs/inch
