Hex Autoparts 1.25" 5x4.75 to 5x4.75 Hubcentric Wheel Spacers Adapters with Lip 12x1.5 for Chevrolet Corvette Camaro Pontiac GTO Thickness 32mm or 1.25 inches Centerbore 70.5 mm Bolt Pattern (PCD) 5x120.65mm or 5x4.75 Thread Size 12mm x 1.5 or 12x1.5 or M12x1.5