Front Axle Flange Diameter: 5.7 In. Bolt Circle Diameter: 4.5 In. Wheel Pilot Diameter: 2.5 In. Brake Pilot Diameter: 2.7 In. Flange Offset: 1.7 In. Hub Pilot Diameter: 3.4 In. Hub Bolt Circle Diameter: 4.4 In. Bolt Quantity: 5 Bolt Hole qty: 4 ABS Sensor: Yes Number of Splines: 38