What Center caps for rally Wheels?

[chevykevy]

I want to put some 6 lug Corvette rally wheels on my 68 . I recently put on a set of 6 lug discs I got from Mccaughy's and don't have disc front wheels yet. I talked to a vendor who sells rally wheels and he said that the center caps for the 67 Corvette that have the general motors and disc brake writnig along the edge, will not fit my front wheels because the bearing cap sticks out too far. I really like the wheels but don't like the Derby cap for the center cap. How about the police center caps? Anyone use anything other then the derby cap that works? Thanks