This is with a StopTech full floating disc installed and Type-R caliper bracket. The StopTech discs are very nice with aluminum hat section (center). I got them from http://store.zeckhausen.com/catalog/product_info.php?cPath=159_553_1550_1552&products_id=4347 An even cheaper version would be to install Spoon discs http://www.spoonsports.us/ProductDetails.asp?ProductCode=45251-4H1014. I chose the StopTech ($450) because they are 25-mm wide and the Spoon ($197) is 23-mm wide. both discs are 282-mm in diameter. Stock diameter is 262-mm.