The Eibach Anti-Roll Bar Kit EIBR-7212.310 (Front Only) is designed for the 1997-2004 Porsche Boxster and the 1999-2004 Porsche 911 Carrera Coupe. This front sway bar kit increases stability, reduces body roll, and enhances grip, resulting in improved vehicle dynamics and performance. It features a solid, non-adjustable front sway bar with a diameter of 26 mm. The kit is precision-engineered for PRO-KIT and SPORTLINE Performance Lowering Spring Kits and comes with a million-mile warranty