These Tamiya factory replacement aluminum suspension arm bushings are made for the TRF420 and are anodized blue for a distinctive look. Sold as a set of two, they are designated B Parts in the Tamiya parts system. The metal construction offers a more durable alternative to standard plastic bushings for the suspension arm pivot points. Features: Aluminum construction Blue anodized finish Set of two bushings TRF420 specific fitment Tamiya B Parts designation 7/7/26 cs