The CT / Comptech supercharger kit includes 8 rubber vibration isolation bushings. These bushings wear out with time and can cause the belt to come out of alignment.
These bushings are manufactured by CNC-machining urethane rubber stock. They are compatible with the CT-Engineering / Comptech supercharger kit for 2000-09 S2000. They require you to use the original steel sleeves and mounting bolts.