UMI Performance SS103050G 1" Rear Coil Spring Lowering Kit for 78-88 GM G-Body

The UMI Performance spring and shock kit is designed to lower your car 1 while providing a huge improvement in handling and control. These kits feature our race quality lowering springs which provide a high performance foundation for your ride. Premium US sourced CrSi wire is wound into the correct rates for street cruising, Pro-Touring, corner carving or light drag use. The UMI Performance monotube shock features medium-firm compression valving and a ramped up rebound curve to properly control the UMI spring. The rebound valving also controls body roll when cornering and contributes to a high performance ride.\nSprings: Springs intended for small block engine. Lightweight LS may require trimming and an additional 1/4" front end drop may occur with a full weight big block.\nSprings feature 600 lb/in front rates and 130 lb/in linear rate.\nPremium CrSi US sourced wire used on all lowering springs.\nShocks feature race proven construction for durability.\nNitrogen charged monotube shock for great control.\nComfortable yet performance oriented compression valving.\nRamped up rebound valving.\nComplete kit Made in the USA.