Front Axle Flange Diameter: 8.1 In. Bolt Circle Diameter: 6.5 In. Wheel Pilot Diameter: 4.8 In. Brake Pilot Diameter: 4.8 In. Flange Offset: 1.8 In. Hub Pilot Diameter: 4.5 In. Hub Bolt Circle Diameter: 5.5 In. Bolt Quantity: 8 Bolt Hole qty: 4 ABS Sensor: Yes Number of Splines: 33