Girodisc Magic Pads for C7 Z06, GT350 RearChevrolet C7 Corvette Z06 & Grand Sport, excluding with Z07 Package Ford Mustang Shelby GT350 Girodisc "Magic Pads" are the solution to your squeaky, dusty, expensive factory pads. They have less dust than typical factory pads and much less than typical performance pads. You won't be cleaning your wheels nearly as often. Additionally, they have great initial bite, something most less expensive pads are lacking. But the real reason people like our pads