Description Additional Info Product Reviews Mfr Part Number: 5WCSC454 Bolt Circle Diameter: 5.9055 in. Bolt Hole Diameter: 0.59 in. Face To End: 3.930 in. Flange Outside Diameter: 7.08 in. Hub Diameter: 3.285 in. Number of Splines: 54 Pilot Diameter: 4.264 in. Spline Diameter: 2.85 in. Spline Length: 3.140 in.