Molded-composite diff drive shaft adapters for #305184/305188 XRAY Composite Solid Axle. Modular design with composite production shafts allows for easy treatment and super-easy servicing. Internal slots key to driveshaft pins without needing utilization of driveshaft blades, allowing direct power transfer toward wheels and eliminating extra play involving the outdrives and drive shafts. Set of 2.