Wheel spacers and adapters help you achieve that perfect wheel fitment. Spacers help you push the wheel outward to make it more flush with the fender while adapters allow you to run a different bolt pattern or PCD wheel on your vehicle, such as how to make 5x114.3 wheels fit a 5x100 vehicle. These ISC Wheel Spacer 5x100 (Subaru) bolt pattern/hub bore 15mm thickness BLACK (pair) are perfect for - Subaru All excluding STI If you need that perfect fitment then look no further than ISC-WS5X10015B Questions? Contact one of our fitment experts today at 909-398-1387