Sold Out Quick view ICON ICON 2017+ Ford F-250/F-350 2.5-3in Stage 4 Coilover Conversion System - K63144 Compare $5,093.99 ICON's 2.5 VS Series Remote Reservoir Bolt-In Coilover Conversion Kit will add a new level of performance and adjustability to 2017-UP F-250 and F-350 trucks. The advantage of utilizing a coilover conversion kit is that they have been designed to... Currently Out of stock. On order! Currently Out of stock. On order!