I recently went and added front brakes on my buggy and now I'm wanting too do away with the standard screw in studs and go with a longer press in. Which studs do I need? I have to go through the rotor, 5/8 spacer, and a 3/8 adapter.

Sounds like you know the dimensions add them up and add the thickness of the lug nut and add about 3/8 so you have three treads beyond the lug nut. Unless you intend to use an acorn style lug nut.

The size diameter wise depends on the size hole you intend drill

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Water Cooled Consortium, Chairman of the Build (Former AC purist)

this might help...http://www.speedwaymotors.com/search.ht ... =lug+studs