Speaking of lug nuts...

I want to put mags on my 68 d200. I am positive that the drivers side lugs are left handed thread. Where do I get left handed lugs for aluminum rims (not the acorn style lug nuts)?

Some call those "Shank" or "Sleeve" type.

Here's a complete set of RH and LH threads.

https://www.ebay.com/itm/20-LUG-NUTS-1-2-CHROME-MAG-SHANK-MOPAR-LH-RH-THREAD-/260750640612