Full Floating discs are designed for high performance street and race applications. Under extreme braking conditions discs can become so hot that they distort and warp. Full floating disc allows the disc to expand and eliminate distortion of the disc surface. Full floating discs feature silent floaters that will eliminate disc rattle. These discs are developed on the race circuit and provide the best braking power possible. They feature a 420 Stainless Steel outer disc with mirror shine polished billet center.