UMI's complete coilover kit simplifies the selection process, combining our popular front and rear kits into one convenient package for lowering your car up to two inches. The Viking hybrid front coilover kit with a 450 lb/in spring rate, combined with UMI's race-proven rear bracket system (125 lb/in spring rate), caters to street, strip, and handling applications effortlessly. To complete your purchase, add thrust bearings and a spanner wrench. For alternative rates or heights, please contact UMI technical support.