Hello everyone. Happy New Year. So, I'm thinking of replacing rear end clutches. Has anyone used "Carbon Fiber" material instead of standard clutch material? There is a company, Ron's Machine Service, they are out of Michigan. They make a kit for our cars. They also include spacers/shims of different thicknesses. I plan to call them before I do anything. I would need to know Spec. with regard to compressed thickness of "Clutch Pack." I will also check my books. Thanks very much ...