Mag wheel left and right hand thread lug nut sources

[Fred Average]

Hi all, perhaps you can help me.
First, what the actual thread pitch,type is on a 1963 Valiant
Secondly , who,what source has left hand and right hand mag lug nuts , preferably black for said application to install US Indy and Ansen mag wheels.
Thanks all

 

[A56]

Ebay 7/16-20

 

[sireland67]

I have bought older style lug nuts from "The Lug Nut King"