recently just bought an old 1991 ec9 and noticed a crack in one of the disks. im no mechanic and just thought this would be the best place to get some advice on what disks to buy for my car. thanks

 

For daily driving really anything will be fine. The auto parts store brands (which depend on what store is closest to you or in your area) will suit daily driving. Centric, Carquest, Raybestos, Duralast are some brands you can choose from and are very cheap to purchase.