Whiteline Anti Roll Bar - Front 24mm - 3 Point Adjustable - GR YarisWhiteline Front Anti Roll Bar GR Yaris Front 24mm 3 Point Adjustable Complete with bushes and brackets and bushing grease Silver Sparkle II metallic powder coat colour 3 Year 60,000 km Warranty The fitting of larger sway bars has two main effects, vehicle balance in terms of understeer and oversteer, and increased roll resistance. Both of these can provide increased overall grip levels that can be achieved by the vehicle.