UMI Performance 78-88 G-Body S10 Tubular Front Lower A-Arms DelrinUMI's flagship 3032 1's are designed to make your G Body car handle like a slot car. These arms have two key features above and beyond UMI's already impressive fabricated lower a arm; Delrin bushings and 1 2" taller than stock ball joints. The Delrin bushings provide bind free, precise motion. This results in smooth travel and the ultimate in steering precision. The 1 2" taller lower ball joint lowers the car 1 2", adds 1 2" of much needed spindle