The Spicer 6.5-53-91 MidShip Shaft (SKU: 6.5-53-91) is engineered for durability and high performance. It features a 2.35-inch major spline diameter and is designed to fit a 4.5-inch tube with a wall thickness of 0.134 inches. With 16 splines, this shaft ensures reliable power transfer, with a spline end to weld distance of 5.312 inches and a bearing diameter of 2.362 inches.