Eibach ANTI-ROLL Single Sway Bar Kit (Front Sway Bar Only) 2820.310 Performance Tuned Handling Further Reduce Body Roll Precision Engineered for PRO-KIT & SPORTLINE Performance Lowering Spring Kits Part of the Eibach PRO-PLUS, PRO-SYSTEM-PLUS, SPORT-PLUS & SPORT-SYSTEM-PLUS