Molded-composite diff drive shaft adapters for #305184/305188 XRAY Composite Solid Axle. Modular design with composite manufacturing shafts permits effortless removal and super-easy servicing. Internal slots key to driveshaft pins without requiring use of driveshaft blades, permitting direct power transfer to your tires and eliminating additional play relating to the outdrives and drive shafts. Pair of 2.