Whiteline Front and Rear Anti Roll Bar kit - Adjustable - MR-S ZZW30Whiteline Front and Rear Anti Roll Bar kit Adjustable MR S ZZW30 Front Sway bar 22mm 2 point adjustable Rear Sway bar 18mm 4 point 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. Minimising excess body roll Dramatically improving handling