Have you ever thought that "brake" was the worst possible name for a mechanism used for is security that important? ? The guy on TV, did he say that PowerStop "slows down" or "breaks down"? The difference is very important, but it sounds identical. Honestly, what I like best about this kit is that it comes with pretty paper instructions. I only use these manhole covers for daily driving so I have no idea how they will hold up at Sears Point.