During a long stop, e.g. B. when driving to Tahoe or Los Angeles, the rotors are hot. However, the holes in these rotors do not dissipate heat effectively, so the pad material stays in place. I had this kit installed to specification. Even with great attention to detail when breaking in, the rotors were still warping after 2,000 miles. Very, very disappointing. Please see the attached photos of the pad material installed in both rotors. I would heartily recommend purchasing another set ofβ¦