Lug nut pattern on A Body Darts

69_340_GTS said
7/16" studs on the 4" BC, 1/2" studs on the 4.50" BC. All cars came with LH and RH studs/nuts regardless of stud size or bolt circle.

No they did not, especially if they were "converted.". The 73/4 Duster/ Demon brakes I used were all RH thread and those were factory