Here, you are looking at the APR 350 x 34mm 6 Piston Brake Kit. This is a big brake upgrade that is an ultra-durable solution that provides outstanding stopping power that can operate within a wide operating range such as normal or spirited street driving, track days, and HPDE events. These brakes have been designed to out-brake, out-last, and out-perform your factory brakes, as well as other similar big brake systems on the market.