correct nut sizes for a body dual snorkel hood scoop

i have a original 70,s a body dual snorkel hood scoop,i bought from someone it didnot come with any nuts for studs, does anyone know the correct size, and also need only one stud if anyone has one, thanks

10-24

sorry, can't help you on the stud

Those are the same nuts that are on my 71 Demon. Give Bill at A&M a call.