Drilled and Slotted Vented Front Brake Rotors (ATL-C33091-DSBZ) by ATL Autosports®. Quantity: 2 Per Pack. If you are searching for the best way to upgrade your vehicle’s braking system, then this top-notch product from ATL Autosports is the way to go. Made utilizing the latest in braking technology, it will provide you with the ultimate in quality, durability, and safety. It is expertly designed to replace your vehicle’s stock components while performing better and lasting longer than OEM parts. Rotor coating will disappear with time where the brake pads contact the rotor.