H&R 2.5 inch ID Single Race Spring Length 8 inch Rate 900 lbs/inch - R25080900 fits_2007-2012`Acura`RDX Two aluminum

Two aluminum

Made of CNC machined 6061-T6 aluminum

1977-1979 Buick Skylark Base 5

while also having a moderate exhaust tone great for long drives

H&R 2.5 inch ID Single Race Spring Length 8 inch Rate 900 lbs/inch - R25080900 fits_2007-2012`Acura`RDX Two aluminumH&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