Hex Autoparts 4pcs 2" 6x5.5 to 6x5.5 Wheel Spacers Adapters for Chevrolet Avalanche Silverado Suburban Tahoe GMC Sierra Yukon M14x1.5 (Black) Thickness 50mm or 2 inches Centerbore 108mm Vehicle Bolt Pattern 6x139.7mm or 6x5.5 Wheel Bolt Pattern 6x139.7mm or 6x5.5 Thread Size 14x1.5 Thickness 50mm or 2 inches Vehicle Bolt Pattern 6x139.7mm or 6x5.5 Wheel Bolt Pattern 6x139.7mm or 6x5.5 Center Bore: 108mm Thread Pitch: M14X1.5 Please make sure that you have bought the compatible wheel spacers for your vehicle before installing the wheel spacers. Professional installation is recommended.