Whiteline Rear Anti Roll Bar - Adjustable - 18mm - Toyota MR-SWhiteline Rear Anti Roll Bar for Toyota MR S 18mm Adjustable Genuine Whiteline anti roll bars (sway bars) are supplied in our signature "Silver Sparkle II" metallic powder coat. Whiteline anti roll bars come complete with bushes and brackets where neccessary. Fensport Tip: The fitting of larger anti roll bars (rear and in general) has two main effects, vehicle balance in terms of understeer and oversteer, and increased roll resistance. Both of these