5mm. Hubcentric design. 2 spacers per kit. 5×100. 56 center bore. 12×1.25 stud. These are Hub-centric flat disc type spacers which require the factory hub to center the wheels. Please measure to verify. These vehicles have different shoulder diameters in the studs depending on model and axle. The DRS installation information must be carefully followed. If exchange of the studs is required, please call us at 1-888-827-8881.