H&R 2.5 inch ID Single Race Spring Length 6 inch Rate 300 lbs/inch - R25060300 fits_2012-`Audi`A6 Its manufacturing process involves using

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

The core on our new design has also grown

Please select desired front upper mount style when ordering

With some minor modifications

Say goodbye to the exposed Front Bumper Crash Foam behind the grille ensuring a flawless look after adding our aftermarket grille

H&R 2.5 inch ID Single Race Spring Length 6 inch Rate 300 lbs/inch - R25060300 fits_2012-`Audi`A6 Its manufacturing process involves usingH&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