The Atomik Alloy Rear Upper Arm is a fine-quality upgrade component designed for Traxxas E-Revo 2.0 and compatible with 8633/8634 models. This part delivers an instant performance boost to your RC vehicle, enhancing the connection between the tires and the suspension system for improved mobility and consistent track contact. Crafted from durable billet 6061 aluminum, it ensures longevity and top-notch performance. It's not only functional but also stylish, available in eye-catching red and other finishes. Plus, it offers a seamless fit for a hassle-free upgrade process, allowing you to enjoy enhanced RC performance quickly.