The Spline Shaft (SKU: 2-53-711) features a major spline diameter of 1.375 inches with 16 splines and is designed for a 3.000 X .083 tube. It includes a bearing diameter of 1.378 inches, a spline length of 2.500 inches, and an end of spline to weld distance of 9.031 inches. This shaft is built for durability and precise performance in demanding applications.