Function: Wheel spacers widen your car's wheelbase, improving grip, handling and precision. Center Bore: 108mm-107mm Thickness: 6mm Placement on Vehicle: Left Right Rear CNC Precision Machined Billet Aluminum Color: Silver Material: Aluminum Alloy Package Contents: 2 * Wheel Spacer Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.