The Spicer 5-7166X U-Joint, part of the 1350WJ series, is a non-greasable universal joint designed for long-term reliability and performance. Featuring an inside snap ring, a 1.188″ cap size, and a 2.406″ lock up, this u-joint is pre-lubricated for life. Weighing 1.65 lbs, it includes a synthetic thrust washer and multi-lip seal to reduce friction, enhance temperature resistance, and keep contaminants out. Compatible with Jeep JK Wrangler Rubicon front axles (2007-up) and Jeep JK non-Rubicon front Dana 30 axles (2013-up) with upgraded 1350 joints.