KW 2531000K Coilover Spring Kit AUDI RS6; (4G) with DRC 02/13- kW 412-445 FA 5-30 RA 15-40Description KW 2531000K Coilover Spring Kit AUDI RS6 (4G) with DRC 02 13 kW 412 445 FA 5 30 RA 15 40 The KW height adjustable spring kit allows for vehicle lowering in combination with the standard dampers. Unlike conventional spring kits, it provides customized height adjustment within the tested adjustment range. Vehicle specific spring seats, adapted KW lowering springs, matching elastomers, and dust protection systems are used for this solution.