Brand new, unopened RDX conversion kit MC-III RKD-MC3 RC part. [Product Description] ReveD RKD-MC3 RDX Conversion Kit. This change allows U. Order Confirmation and Important Information (For Customers Outside the United States). Please check the Photo. We cannot change an address after the order has already been placed. We provide valid Tracking Numbers for all orders. If it is changed to Expedited, there will be no additional charge, so please rest assured. If you have any questions or issues, we are at your service.