Complete conversion kit transforms air suspension to reliable coil springs. Arnott's Coil Spring Conversion Kit for your vehicle's (K2YG/C) LWB Only delivers a seamless, error free conversion of your vehicle air 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.