Performance Alignment Kit - adds +1.0deg caster, Whiteline caster kits are designed to improve cornering grip and vehicle straight line stability. This kit is supplied with dual offset bushings to give greater steering feel, more steering weight, greater precision all through increased static caster and dynamic negative camber gain. In addition, Whiteline bushings provide improved braking performance, and less under load alignment change., 3 Year / 60,000Kms