Arnott's Coil Spring Conversion Kit C-4030 for the 2013-2016 Lincoln MKZ (CD433) with CCD and the Ford Fusion (CD391) delivers a seamless, error free conversion of your Lincoln or Ford adaptive suspension system to steel coil springs. The Arnott kit features strut assemblies with coil springs made from American steel. The US designed and assembled kit also includes Arnott's patented (US Pat. No. 9,329,917) Electronic Bypass Module (EBM) to turn of dashboard suspension warning lights (note: EBM is used on the MKZ only).