The Spline Shaft (SKU: 3-40-1491) features a major spline diameter of 1.500 inches with 16 splines and is designed for a 3.500 X .083 tube. The shaft has a spline length of 3.000 inches and an end of spline to weld distance of 7.531 inches. Engineered for precision and strength, it ensures reliable performance in various high-demand applications.