Using these DBA 4000 Series rotors is easy. Just replace your old rotors with these direct - fit ones. When you step on the brake pedal, you'll notice a smoother and more responsive feel. For best results, make sure to use them with high - quality brake pads. As for maintenance, check the rotors regularly for any signs of wear or damage. If you see grooves or uneven surfaces, it might be time to replace them. Keep them clean by using a brake cleaner to remove dust and debris. Store them in a dry place when not in use to prevent corrosion, thanks to the moisture - proof packaging they come in. Remember, these rotors are designed for various performance applications, so whether you're on the street or the track, they'll serve you well.