Front Axle Flange Diameter: 6.043 In. Bolt Circle Diameter: 4.500 In. Wheel Pilot Diameter: 2.812 In. Brake Pilot Diameter: 2.832 In. Flange Offset: 2.133 In. Hub Pilot Diameter: 3.942 In. Hub Bolt Circle Diameter: 4.750 In. Bolt Size: 1/2-20 Bolt Quantity: 5 Bolt Hole MET: M12X1.75 Bolt Hole qty: 3 Flange Shape: TRIANGULAR ABS Sensor: Yes Number of Splines: 27