SPC Adjustable Upper Control Arms 2003-2007 Infiniti G35 / 2003-2008 Nissan 350ZThis pair of patent pending adjustable front upper control arms will give 4 camber and 4 caster change. SPC arms match the OE design for clearance so you can get up to +2 camber change without fender well interference. If more positive change is needed use the included +2 camber shims for fixed change and dial in the rest with your arms. The rubber isolated xAxis sealed flex joints retain OE bushing values (Noise, Vibration, and Harshness NVH), while