Molded-composite diff drive shaft adapters for #305184/305188 XRAY Composite Solid Axle. Modular design with composite manufacturing shafts allows effortless removal and super-easy servicing. Internal slots key to driveshaft pins without needing utilization of driveshaft blades, enabling direct power transfer to your tires and eliminating extra play associated with the outdrives and drive shafts. Couple of 2.