I have 4 Ichiba Type 2 (built in studs) spacers 20mm for sale. I used these on my Z for a few months before selling the car.
The spacers themselves are in great condition, but the nuts that bolt on the hub with will need to be replaced. The nuts Ichiba provides are soft as butter and I rounded the edges off of several of them installing and removing them.
I am asking $80 shipped to the lower 48 or $50 picked up in the Kansas City, MO area. These are $120/
pr. new for a total of $240