anyone know the bolt circles for wheel center caps?

[novaderrik]

not for where the wheel bolts to the car- i need to know the mounting bolt circle for various wheels that use a bolt on center cap- like ARE TT2's and Billet Specialties and such. anyone happen to know this?

 

[novaderrik]

ok.. no one knows.. could anyone that's running this style of center cap make a quick measurement from the center of the cap to the center of one of the holes, please?