The Spicer 5-153X U-Joint, from the 1310 series, is a greasable universal joint known for its premium performance and reliability. Featuring an outside snap ring, a 1.063″ cap size, and a 3.219″ lock up, this u-joint is designed for exceptional durability. It includes heat-treated bearing cups, Zerks for easy relubrication, and precision-ground seals and bearings. The forged journal cross is made from high-quality steel and treated for optimal strength, ensuring consistent and long-lasting performance.