Parts are available everywhere MRX4X parts are stilll on shelves at local hobby stores and still supported by Mugen and I can include enough parts to get threw the season. If you want to trade roller for roller no problem I can throw in a Mugen Pit mat ( see photo) , pipe 2 clutches pinions ect. Ill probly look into the new xray 1/8th scale Im ready to deal if your interested.