Whiteline Front Anti Roll Bar - 22mm - Adjustable - MR-S ZZW30Whiteline Front Anti Roll Bar for MR S ZZW30 22mm Adjustable The fitting of larger sway bars (rear and in general) 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. Only genuine Whiteline anti roll bars are supplied in our signature "Silver Sparkle II" metallic powder coat colour. Whiteline anti roll