Quick view UMI Performance UMI Performance 73-87 GM C10 Lowering Kit (4.5in Front/6in Rear) with UMI shocks - 6400-1 Compare $1,015.99 UMI Performance 73-87 GM C10 Lowering Kit (4.5in Front/6in Rear) with UMI shocksThis Part Fits:YearMakeModelSubmodel1978-1980ChevroletC10Big Ten1975-1981ChevroletC10Cheyenne1981-1986ChevroletC10Custom1975-1980ChevroletC10Custom... Add to Cart Add to Cart