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these little dust covers will be the end of me. I found a local corvette dealer that told me he had a few that i could have, one was good, the other was worse then the ones i was trying to replace. Seemingly no one would sell them without selling the full $270 set of parking brake shoes. So i started to investigate, turns out all Chevy's use the same boot.... using this information i finally found them, annoyingly they are at the same parts place i have been using all along, for less then $4.

Now that i know what the part number is i can find them everywhere. If anyone else is looking for these look here: Under Dorman 924-243 (this is where i bought them)