“ changed out old set of lip seal for these due to over winter the front started to leak bad. rebuilding is simple the kit is nice with it come with the springs and pin for the pads. had side of the pistons slide in very easy come paired to the others and that was the one the lip seals were leaking on. the previous owner must have just bought new calipers. so, I micro the piston sleeves it's within the tolerance aloud. the dust covers had a little layer of rubber over it which made them harder to get to set right. but all in all, this is a good set to change over your old lip seal style too. now if the caliper that had the issue leaks i will replace with a full caliper that's already been upgraded. can't blame this kit at all for that.”