You'll get what you paid for. Those are very prone to making all kinds of noise. The balls in the heims tend to loosen and wear quickly. You should really stick with the nylon/rubber inserted ones, which more closely match the OEM camber rod ends! :|Im also making these adjustable camber arms, but i end up buying the rod ends from ebay from this seller
Econ 5 8 x 5 8 18 Male LH Rod Ends Heim Joints Heims | eBay
he has the other one too..
It looks like a good quality and you cant beat the price.