Lower spacer, machined out of aircraft aluminum in an american owned/operated machine shop in Georgia. Bolts/nuts/washers were manufactured in america also.
My total of $28 included everything need fo level 2017 Denali, this is my 4th Denali since 2015, all have been done this way and all had mag ride. The Denali I gave my Dad has 67,000 miles on it now, with no issues and it was leveled this way at 22 miles.
I don't buy items for name or status, just for function.
A little research and know how goes a long way and can save many $$$$.
That is why I was able to retire at 49.