UMI Performance 78-88 GM G-Body 82-03 S10/S15 Upper & Lower A-arm Coilover OnlyTremendous front grip and a host of features can be yours with UMIs 305756 3 kit. This a arm kit enables 10 degrees caster while maintaining standard track width and wheelbase. The lower shock mount is removable to allow spring shock changes at the track. The tall lower ball joint optimizes roll center, camber gain, center of gravity and lowers ride height by . Delrin bushings help the lower a arm to travel smoothly for bind free operation. The new