Arnott's Coil Spring Conversion Kit C-4424 for various SWB models of the 2015-2020 GM SUV (GMT K2UC/UG) including Cadillac Escalade, Chevrolet Tahoe, and the GMC Yukon delivers a seamless, error free conversion of your GM 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 off dashboard suspension warning lights.