Just to give you an idea of my experience, I purchased the rear brembos used off NASIOC, full conversion kit (DBA 4000 rotors, adapter brackets and bolts) from fastwrx.com and I also purchased a brembo rebuild kit from fastwrx.com as well.
The brembos were in working order, but I figured replacing the seals and dust boots would be a good idea. This was pretty easy and took maybe an hour tops to pop the pistons out, remove the old dust boots and inner seals and replace them with new ones. After that I pained the calipers black with a caliper paint kit (from Summit Racing I forget the exact name) to match my stoptech front calipers.
Total install time was probably about 2 hours. Remove wheel and remove the old caliper. Remember to use a zip tie or something to keep the brake line elevated because it will leak brake fluid on your garage if you don't. Fluid will leak anyway but this keeps it to a "minimum." Remove old rotors using the the bolt holes on the rotor and a rubber mallet. Sand down the surface where the new rotor will sit on the hub. I used 400 grit wet dry sand paper and some wd40. It doesn't need to be shiny new, but as little rust as possible is your goal. On my car I removed the dust shields using a drill and large bit, but you may just want to use a mallet or your hands to bend them back. Use the new rotor as a reference to make sure there is enough clearance all around. Once this is done, prep your new rotors by cleaning the braking surface (silver part) with brake clean to remove any residue. Then install the rotor onto the hub. Install the calipers and pads next, caliper first then pads once you have the caliper secured. Reinstall brake line with new copper washers, make sure everything is torqued down and then bleed the entire system.
Put your wheels back on and head out to bed your brake pads with whatever procedure you feel is best.
Ryan
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