Kit does not include caliper bolts, just 2 sets of pads. The quality is good for daily driving, OEM feeling. The only problem I had with these clips, the open shape they have, you might have a little trouble inserting/snapping them - a bit annoying. The originals came with a different type of clip that is easier to insert. But with a little effort, you can get in normally. Clean the rotors well when you're done. Remember to engage these brakes: 60 mph and brake with moderate pedal pressure up to 10 mph x 7 times, then ride slowly to cool the brakes for 10 minutes. Did this and these brakes squeak or make no noise. This was for the 2019 BMW X2 sdrive fwd.