I see that you are new here so just an FYI, Bernie is an oldtimer who works on not only his Z's but many many other peoples Z's. He not only has encyclopedic first hand knowledge, but also probably multiple pictures taken first hand of multiple failures of the cheap ebay junk you are asking about buying.
Antihero
Putting AMS garbage, and $500 ebay wheels on a Z is like dressing a Victorias Secret model in a Walmart dress and Payless shoes. You're embarrassing yourself.