H&R 2.5 inch ID Single Race Spring Length 6 inch Rate 300 lbs/inch - R25060300 fits_2012-`Audi`A6 A precision cutout ensures the

A precision cutout ensures the Corvette logo remains visible

Its manufacturing process involves using pre-preg carbon materials carefully placed into molds and sealed in a vacuum autoclave for proper curing

Performance throttle spacer

The core on our new design has also grown

Kit also includes optional rubber isolation washers to reduce noise transfer from the subframe to the chassis

H&R 2.5 inch ID Single Race Spring Length 6 inch Rate 300 lbs/inch - R25060300 fits_2012-`Audi`A6 A precision cutout ensures theH&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