I’m still trying to understand your issue. From my experience yes these can fit certain stock 15” rims . Not all Chevy 15” are the same. The off set is what matters. However that was mostly for the oem steel wheels. I have the rc4” lift and I’m running oem 15s. The ones that worked were the oem 15 aluminum ones, 454ss, and the oem 15 steel spare rim for 98+. As far as camber I’m using oem hardware. I haven’t had any rubbing or moving issues. Make sure nothing flipped or backwards