The Spicer 5-7439X U-Joint is a robust component designed for specialized driveline applications. Part of the 1310 X S55 Series, it features a lock-up dimension of 3.219″ and is suitable for applications where two caps measure 1 1/8″ and the other two measure 1 1/16″. This non-greasable, outside snap ring U-Joint ensures reliable performance and durability.