The 2-3-8021KX Slip Yoke, part of the 1310 Series, is built for durability and performance in driveline systems. It features a spline/hole outside diameter of 1.375 inches and includes 16 splines. The lock-up style is outside, providing a secure fit. The yoke has a universal joint width of 3.219 inches. It is greasable and comes with a dust cap for added protection and ease of maintenance.