Whiteline's Anti Geometry Kit replaces the front control arm rear vertically mounted bushing and featuring low compliance synthetic elastomer with high performancelow compliance bearings for optimum dynamic alignment. Positive static caster gains can also be achieved by the offset orientation of the bearing and unique to any Whiteline Anti geometry kit before it, KCA425 allows WRX and STI owners to tune geometry from Anti Lift to Anti Dive via a combination of recommended spacers delivering a window of handling behaviour and vehicle set up for the driver's needs.