Description + Drive Shaft Wing Bearing Tube Weld Yoke Additional Info + UPC: 00083869380131 Driveline Series: 8.5C Hole Dia./Thread Size (in)(mm): 1/2-20 Material: Steel Butt Diameter (in): 3.750 Tubing Diameter And Wall (in): 4.000 X.134 Face To Weld Point (in): 2.625