2012 AUDI Q7 Premium Plus. I bought a set of four from Revain and they arrived quickly. I took them to an ASE certified dealer and three out of four went right. The front right inner hub was too small. Power Stop sent a new set of front wheels and the front right rotor was undersized again. They tested the right rotor on the left and it fits, but the rotors are directional so the right front can ONLY be the right front. For obvious reasons, the store did not replace the defective rotor, but bought and installed another rotor. Almost a year later. My wife is _really_ mad at me and damn she's still throwing up. The original problem before installing these pads and rotors was a squeak at low speed - the city speed limit is 40 km/h - and the squeak is on the left side again. :( Power Stop offered a refund for a front right rotor if I sent them back with receipts - thanks. I wasted no time in getting their refund.