Okay...well, I have factory zinc-coated rotors and they do not do s*** for rust protection on the rotor surface itself once you hit the brakes a few times. In fact, although it's humid here, my rotors began rusting within 4 hours of my driving the car. Of course, as soon as I hit the brakes, it went away. I ordered these brakes, and can't wait to get them! But, I will see how good the black paint is on the hubs, and may paint them with some rustoleum and another coat of paint before I put them on. We'll just have to see whn they get here. Hopefully, they shipped today!