This Xray central shaft universal joint is a factory replacement CVD repair part designed for use with a machined pinion on the XB4 and XT4 platforms. The metal construction provides a direct swap for a worn or damaged universal joint in the central driveline. As a dedicated repair part, it allows rebuilding an existing CVD assembly rather than replacing the entire shaft. Features: Designed for machined pinion compatibility Metal construction for drivetrain durability CVD repair part for central shaft assembly Fits XB4 and XT4 platforms 7/7/26 cs