This Schumacher factory replacement rear steel bone driveshaft is a single-piece unit designed for the Mi4CX and Mi6 platforms. The bone-style shaft features a ball end on one side and a pin-style end on the other, providing a direct replacement for worn or damaged rear drive components. Metal construction throughout ensures durability under the demands of competitive touring car use. Features: Single-piece rear bone driveshaft Steel construction Ball end and pin end design Direct factory replacement for Mi4CX and Mi6 7/7/26 cs