These Yokomo aluminum front upper I arms are a factory replacement set for the RD, SD, and MD drift platforms. Sold as a set of two, they are machined from aluminum in an anodized blue finish and feature a serrated adjustment surface for precise arm positioning. Included hardware consists of spacers and a set screw to complete the installation. Features: Aluminum construction with blue anodized finish Serrated adjustment surface for repeatable positioning Set of two arms with installation hardware included Compatible with Yokomo RD, SD, and MD drift platforms 7/7/26 cs