Bolt Circle Diameter A: 4.724 in. Bolt Circle Diameter B: 4.567 in. Bolt Hole Size: M12x1.75. Bolt Size: M14x1.5. Flange Offset: 2.283 in. Number of Bolts: 6. Number of Holes: 4. Number of Splines: 33. Wheel Pilot Diameter: 2.789 in. Brace Pilot Diameter: 2.632 in