Powerflex Polyurethane Bush kit for BMW Mini Generation 1 Super Charger Belt Damper Bushes - PFF5-211 - These Fit The Ends Of The Super Charger Belt Damper, Mini Cooper S Models Only - Bush Size: - PRICE IS PER CAR KIT, NOT per bush. Powerflex usually price their bushes singly, but we have combined the QTY and price to keep it simple for you!