This product is a genuine Traxxas lower right suspension arm with insert designed to maintain proper suspension geometry and durability under demanding driving conditions. It is constructed from high-strength composite material to absorb impacts from jumps, rough terrain, and aggressive driving. The included insert helps reinforce the arm for added strength and consistent performance. This suspension arm is designed for the lower right position and ensures correct fitment and alignment. It is compatible with the Traxxas Unlimited Desert Racer (UDR) and is an ideal replacement for restoring factory suspension performance and reliability.