H&R 60mm ID Single Race Spring Length 90mm Spring Rate 58 N/mm or 331 lbs/inch - ZF090-058 fits_2008-2014`Mercedes-Benz`C-Class TIG-welded from T304 stainless steel

TIG-welded from T304 stainless steel and designed to utilize factory mounting points and cut locations

Daily Driveable: Docile when valves are closed

0T Genesis in the world and is proven to significantly reduce intake temperatures and improve overall cooling efficiency

CORSA's exhaust system increases flow by 46% allowing drivers to maximize the benefits of any performance modification

E-85 compatible

H&R 60mm ID Single Race Spring Length 90mm Spring Rate 58 N/mm or 331 lbs/inch - ZF090-058 fits_2008-2014`Mercedes-Benz`C-Class TIG-welded from T304 stainless steelH&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