Mishimoto Wheel Spacers - 5x108 - 63.3 - 15 - M12 - BlackWheel spacers are a great way to create brake clearance, add track width, prevent tire rub, and provide ideal wheel fitment on your vehicle. Mishimoto now offers a complete catalog of wheel spacers for a variety of common thread patterns, center bores, and thicknesses. Quality material selection, precise engineering, and meticulous manufacturing are critical elements to creating our incredibly robust products, and our wheel spacers are no different.