Introducing the Billet Rear Upper Arm EXT Wheelbase, a must-have upgrade for your Traxxas 1/10 Revo, E-Revo, and Summit models. This premium component, identified by item number T4145SILVER, is expertly crafted to replace standard parts on Traxxas models 5603, 5608, 5310, 5309, 5308, 5607, and 5610. Designed with both aesthetics and performance in mind, this upgrade features a robust alloy or composite construction that not only enhances the visual appeal of your vehicle with its sleek design but also significantly improves its durability and performance. The precision CNC machining ensures a perfect fit, while the variety of anodized finishes allows you to customize your model to match your personal style. Whether you’re racing on the track or tackling rugged off-road terrain, this high-quality component is engineered to endure the demands of intense RC action, providing a reliable and stylish enhancement to your RC experience.