Eibach 25mm Front Anti-Roll Kit | 2007-2013 Porsche 911 Turbo Coupe 997 (E40-72-007-06-10)2007 2013 Porsche 911 Turbo Front Anti Roll Kit (Front Sway Bar Only) by Eibach Complete your suspension upgrade with an Eibach Anti Roll Kit. While our Pro Kit and Sportline spring sets are regarded as the primary suspension enhancement components, the Eibach Anti Roll Kit allows critical fine tuning of your cars handling characteristics. Eibach Anti Roll Kit reduce body roll through increased design stiffness over stock bars. The result: increased