The light weight hollow 19.1mm OD sway bars are half the weight of a solid bar with the same stiffness. Complete with fully adjustable front drop links to eliminate suspension preload. Correctly sized, precision, Teflon-lined rod-ends for smooth and quiet operation, long life, and high reliability. No wear and rattling problems, like those seen with other designs, due to undersized or low quality rod ends. All necessary hardware is provided in zinc plated metric class 8.8 Four attachment hole positions allow for quick and easy swaybar stiffness rate adjustment, to fine-tune your car's handling for various track conditions and driving styles. High misalignment, stainless steel rod end spacers allow for superior bind free operation and corrosion resistance. The set comes complete with new bushings. Fits all Boxsters and Caymans. These is the aftermarket swaybar/drop link kit that has been exclusively certified for BSR & BSX Spec racing. All components are designed and manufactured to the highest quality standards, resulting in the finest and most reliable swaybar on the market.