Vehicle & Wheel Bolt Pattern: 6*139.7 mm (6 * 5.5 inch to 6 * 5.5 inch), Thread Pitch: 12*1.25, Thinkness: 30mm, Center Hub: 110mm (4.25 inch), Includes Studs and Nuts, Colour: Black, Quantity: 2; Forged Spacer VS Casting: we insist using the FORGED material. We put your safety in the first place and reject to use the casting material. Note: Please check the gap between fender and wheel. This will determine what thickness spacer recommended.