I have been shopping around for a BBK and 2 sets of Stoptech I have seen pictures of have the dust seals cracked. I consulted with an experienced shop and I was told that it is common on ST, but not a big deal since these are secondary seals. I am by no means an expert, far from it, just info that has come my way.
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2011 e90 N55 (now 100% stock) & e36 2.8L SCCA ITR race car
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