Reve D RDX MC-III Conversion Kit RKD-MC3 High End RC Drift Upgrade Parts. This item is unused. This is a high-end conversion kit designed to maximize the driving performance of the RDX. Product Name: MC-III Conversion Kit for RDX. Model Number: RKD-MC3. Thank you for viewing this listing. Please note that this item has been stored by an amateur; if you are particular about such details, please refrain from purchasing. This change allows U. International Buyers – Please Note.