Barada, A.H. Shi, H. Sun, Y. Zhu, D. JACoW Publishing Geneva, Switzerland A new hard X-Ray Split and Delay system has been recently commissioned on the SLAC XCS instrument beam-line. This presentation will explain the engineering decisions that drove the unique design of the precision mechanics and positioning systems in order to meet nanoradian positioning requirements. Recent performance data will be presented along with proposed enhancements as part of a continuing improvement development phase.