These tough and lightweight aluminum rear uprights not only bolster the M-07 Concept chassis suspension, they also have a 2-piece design that allows adjustment of upper arm length and angle, which allows you to adjust the handling of your car to suit course and track conditions.Includes:2-Piece Rear Uprights x22mm spacers, ball connectors and screws for attachmentSpecifications:Blue anodized finish.Compatible with M-07/08 Concept chassis cars only.