i am tring to resore my 79' Z28 to all original. it white with the brown/gold graphics. the wheels originaly had little red disks in the center of the hubs that said Z28, apperantly they arnt made any more and i am haveing a hard time finding new ones. they make black ones (which is what is curently replacing the red ones) but its not original. does any body know where i could find the red disks i am looking for???